less than, more than用法
morethan的多种用法
more than的多种用法简简单单的“more than”，用法可多呢！下面是些好例子：●A. “More than＋名词”表示“多于……”、“非但……尤其是”如：1)Modern science is more than a large amount of information.2)Jason is more than a lecturer; he is a writer, too.●B. “More than＋数词”含“以上”或“不止”之意，如：3) I have known David for more than 20 years.4)Let's carry out the test with more than the sample copy.●C. “More than＋形容词”等于“很”或“非常”的意思，如：5)In doing scientific experiments, one must be more than careful with the instruments.6)I assure you I am more than glad to help you.●D. 在“More...than...”中，肯定“more”后面的而否定“than”后面的，约等于“是……而不是……”如：7)The difference between pure linguistics and applied linguistics is more apparent than real.8)This book seems to be more a manual than a text.9)Catherine is more diligent than intelli-gent.10)Hearing the loud noise, the boy was more surprised than frightened.●E. “More than”或“More...than...”＋含“can”的分句时表示“否定意”，如：11)That's more than I can do.12) Don't bite off more than you can chew.13)In delivering his lecture, Jason makes sure not to include more things than the students can understand.●F. “No more...than...”表示“不……；不如……”，如：14) I can no more do that than anyone else.15)A learner can no more obtain knowledge without reading than a farmer can get good harvest without ploughing.”“No more…...than...”的语义，也可用“not any more than...”来取代，因此15 可以变成16。
more than与less than
more than1. more than 可放在数词之前，意为“超过；不止；以上”，用于此意义时可与over 互换使用。
例如：Altogether more than 70 percent of the surface of our planet is covered by water. 整体说来，我们这个星球表面有70% 以上都为水所覆盖。
2. more than 可放在名词之前，表示“不只是；不仅仅”。
例如：Hibernation is more than sleep. 冬眠不仅仅是睡眠。
Bamboo is used for more than building. 竹子不只是用于建筑3. more than 用于形容词或副词前，作“非常；十分”解，与very 同义。
例如：She is more than careful in doing things. 她做事非常细心。
In class, he listens more than attentively. 在课堂上，他听讲十分认真。
4. more than 之后接含有can 的从句时，常表示否定意义。
此时，从句中的谓语动词必须是及物动词，并且与句子的主语呈现逻辑上的动宾关系。
例如：This secret is more than we can let out. 这个秘密我们是不能泄露的。
（主语secret 是let out 的逻辑宾语）less than 后面接形容词、副词时，意为“不；很少；不到”，具有否定意义。
例如：a) We were busy and less than delighted to have company that day.那天我们很忙，不高兴有客人来。
b) The young man is less than twenty years old.这个年轻人不到20 岁。
more … than1. more …than意为“与其……不如……”；“是……而不是……”，常可与“rather than ”或“not so much …as ”互换使用。
no-less-than-和-no-more-than-的区别
no less than not less than no more than not more than区别no less than不亚于，竟达……之多(≥)1)The audience was no less than five thousand. 听众有五千人之多。
2)That hotel probably costs no less than 20 dollars a night. 那间旅馆的住宿费大约要20元一晚呢。
not less than不比……差，至少 (≤)1)I'll stay here not less than three days. 我将待在这里至少三天。
no more than同样不；仅仅，只有 (=)1)He is no more than a worker. 他仅仅是个工人。
2)It's no more than a misunderstanding. 这只是个误会。
3)It is no more than ten minutes' walk from the station. 由车站走到这里只有十分钟的路程。
not more than不比……更，不如；至多 (≤)…1）He is not more diligent than you are.他不象你那样勤奋。
（重点在 you are diligent 。
他也勤奋，但不如你勤奋。
）2)I'll stay here not more than three days. 我将待在这里最多不超过三天。
no less .. than不少于,不亚于(≥)1) He is no less a person than a minister他的身分不亚于部长。
not less than至少和…一样1)She is not less beautiful than Mary她至少和玛丽一样美丽。
记忆这两个短语的意思的时候，最好要抛开汉语的影响，而用英语去解释英语no less than = as many / much as ；no more than = as little / few as因此翻译汉语的时候，no less than 要翻译成“不比。
more-than-与-less-than-及其相关词组
more than 与less than 及其相关词组一、more than1. more than 可放在数词之前，表示“超过；不止；以上”，用于此义时可与over 互换使用。
如：Altogether more than 70 percent of the surface of our planet is covered by water. 整个说来，我们这个星球的表面有百分之七十以上为水所覆盖。
2. more than 可放在名词之前，表示“不只是；不仅仅”。
Hibernation is more than sleep. 冬眠不仅仅是睡眠。
Bamboo is used for more than building. 竹子不只是用于建筑。
3. more than 可用于形容词或副词前，表示“非常；十分”，与very 同义。
She is more than careful. 她非常细心。
In class, he listens more than attentively.在课堂上，他听讲十分认真。
4. more than 之后接带有can 的从句时，常表示否定意义，意思为“难以”“不能”。
此时，从句中的谓语必须是及物动词，并且与句子的主语发生逻辑上的动宾关系。
例如：，This secret is more than we can let out. 这个秘密我们是不能泄露的。
（this secret是let out的逻辑宾语）That is more than I can tell (=I can’t tell that).那事我实在不明白。
（that 是tell的逻辑宾语）二、less than与more than意思相反，主要用法有：1. 用于两者比较，意为“比……少”。
如：I earn less than he does. 我比他钱挣得少。
She eats less than a bird. 她的食量比小鸟还少。
morethan,notmorethan,nomorethan,nolessthan,notlessthan,otherthan,ratherthan解读
More than 用法一、more than 后跟形容词、副词、分词、动词、名词，more than 起强调作用，含义是more than 后的形容词、副词、分词、动词、名词的分量不足以反应实际情况而加以说明，汉语意思是：“十分，非常，岂止，简直，不仅仅，绰绰有余”。
例如：I am more than content with what you said. 我对你的讲话十分满意。
She was dressed more than simply. 她穿着太朴素了。
Being a good listener means much more than just listening with ears.做一个好的听者不仅仅意味着“用耳朵听”。
Peace is much more than the absence of war. 和平不仅仅是没有战争。
can't agree more、A doctor can't be too careful. A kid can never have too many toys.小孩永远不会嫌玩具多。
二、more than / more …than 跟含can 的从句，这种结构不能照字面来翻译。
more than 之后的从句里，英语里虽是肯定形式，却表示否定概念。
more than …can …的结构意为“简直不可能”；“more …than …can …”的结构意为“达到不可能的程度”。
例如：The beauty of the place is more than I can describe.那个地方美得我简直不可以言表。
How he manages to live is more than I can tell. 他怎样生活的，我简直猜不透。
He has more money than he can spend. 他有花不完的钱。
三、more …than 通常用于比较两个不同的人物，但有时也可用来指一个人物本身的两种特性，这时其意义和rather than 相同，肯定more 后面的，而否定than 后面的。
than的几种用法
在英语学习中，than 是出现频率较高的一个词，用法也较为复杂，因此掌握than 的用法不仅要从词法的角度去考虑，而且要注意其构成的句型和短语，本文就其所在的句型及短语进行语义分析，以期在英语学习中对大家有所帮助。
一、用于表示比较的句型中（一）单纯表示比较级的句型：A ＋谓语＋形容词或副词的比较级＋than ＋B 。
例如：Mary sings better than anyone else in the class.玛丽比班上任何人唱得都好。
（二）表示比较倍数的句型：A ＋谓语＋数词＋times ＋形容词/副词的比较级＋than ＋B 。
例如：This classroom is twice bigger than that one.这间教室是那间教室的两倍大。
（三）用比较级结构表示最高级的含义的句型：1.主语＋谓语＋比较级＋than ＋the others/anyone else/any （other ）＋单数名词/any of the others/any of the other ＋复数名词。
例如：（1）China is larger than any other country in Asia.中国比亚洲其他任何一个国家都大。
（2）He is older than any of the other boys in his class.他比他班上任何同学年纪都大。
2.“No one ＋谓语＋比较级＋than ＋sb.”或“No other ＋单数名词＋谓语＋比较级＋than ＋sb./sth.”。
例如：（1）No one can be more fit for his office than he is.没有人比他更适合担任这个职务了。
（2）No other river is longer than the Changjiang?River in Chi -na.在中国，没有一条河流比长江更长。
morethan的详细用法
一、 more than1.m o rethan可放在数词之前，意为“超过；不止；以上”，用于此意义时可与over互换使用。
例如：Altogether more than 70 percent of the surface of our planet is covered by water. 整体说来，我们这个星球表面有70% 以上都为水所覆盖。
2.more than 可放在名词之前，表示“不只是 ;不仅仅”。
例如：Hibernation is more than sleep 。
冬眠不仅仅是睡眠 .Bamboo is used for more than building. 竹子不只是用于建筑。
3.more than 用于形容词或副词前 ,作“非常;十分”解，与very 同义。
例如：She is more than careful in doing things 。
她做事非常细心。
In class, he listens more than attentively 。
在课堂上,他听讲十分认真。
4。
more t han 之后接含有can 的从句时，常表示否定意义。
此时，从句中的谓语动词必须是及物动词，并且与句子的主语呈现逻辑上的动宾关系。
例如：This secret is more than we can let out 。
这个秘密我们是不能泄露的。
（主语 secret 是 let out 的逻辑宾语）比较: less than 后面接形容词、副词时,意为“不；很少 ;不到"，具有否定意义 .例如：a）We were busy and less than delighted to have company that day.那天我们很忙，不高兴有客人来。
b) The young man is less than twenty years old 。
这个年轻人不到20 岁。
二、more … than1。
more(...)than, less(...) than, no(not) more(...) than, no(not) less(...) than
我们常常对more than, more...than, less than, less…than, no more than, not more than, no less than, not less than这几种结构的用法混淆或使用上出现差错。
现将其用法进行归纳整理以便于大家区别使用。
1. more than①+数词(指数量)多于，大于，含“以上”或“不止”之意：I‟ve known him for more than twenty years. 我已认识他20多年了。
More than one man was killed. 被杀害的不止一人。
Let…s carry out the test with more than the sample copy. 让我们进行高于样本的测试。
②不只是，不仅仅是(通常后接名词、动词、从句等)：More than +名词表示“多于……”、“非但……尤其是”Modern science is more than a large amount of information. 现代科学不仅仅是信息量大。
Jason is more than a lecturer; he is a writer, too. 詹森不仅仅是是个讲师，他还是个学者。
He is more than a father to her. 他待她胜过父亲。
He more than smiled, but laughed. 他不只是微笑，而是放声大笑。
The result was much more than I imagined. 结果远远超过我的想像。
I more than saw it, I felt it too. 我不仅仅是看见了它，我都感觉到它了！③极其，非常(通常后接形容词、副词或分词等)：In doing scientific experiments, one must be more than careful with the instruments. 在做科学实验的时候，一个人必须非常仔细操作仪器。
more than, not more than, no more than, no less than,not less than ,other than,rather than
More than 用法一、more than 后跟形容词、副词、分词、动词、名词，more than 起强调作用，含义是more than 后的形容词、副词、分词、动词、名词的分量不足以反应实际情况而加以说明，汉语意思是：“十分，非常，岂止，简直，不仅仅，绰绰有余”。
例如：I am more than content with what you said. 我对你的讲话十分满意。
She was dressed more than simply. 她穿着太朴素了。
Being a good listener means much more than just listening with ears.做一个好的听者不仅仅意味着“用耳朵听”。
Peace is much more than the absence of war. 和平不仅仅是没有战争。
can't agree more、A doctor can't be too careful. A kid can never have too many toys.小孩永远不会嫌玩具多。
二、more than / more …than 跟含can 的从句，这种结构不能照字面来翻译。
more than 之后的从句里，英语里虽是肯定形式，却表示否定概念。
more than …can …的结构意为“简直不可能”；“more …than …can …”的结构意为“达到不可能的程度”。
例如：The beauty of the place is more than I can describe.那个地方美得我简直不可以言表。
How he manages to live is more than I can tell. 他怎样生活的，我简直猜不透。
He has more money than he can spend. 他有花不完的钱。
三、more …than 通常用于比较两个不同的人物，但有时也可用来指一个人物本身的两种特性，这时其意义和rather than 相同，肯定more 后面的，而否定than 后面的。
more than 与 less than 及其相关词组
more than 与less than 及其相关词组一、more than1.more than可放在数词之前，表示“超过；不止；以上”，用于此义时可与over互换使用。
如：Altogether more than 70 percent of the surface of our planet is covered by water.整个说来，我们这个星球的表面有百分之七十以上为水所覆盖。
2.more than可放在名词之前，表示“不只是；不仅仅”。
Hibernation is more than sleep.冬眠不仅仅是睡眠。
Bamboo is used for more than building.竹子不只是用于建筑。
3.more than可用于形容词或副词前，表示“非常；十分”，与very同义。
She is more than careful.她非常细心。
In class, he listens more than attentively.在课堂上，他听讲十分认真。
4.more than之后接带有can的从句时，常表示否定意义，意思为“难以”“不能”。
此时，从句中的谓语必须是及物动词，并且与句子的主语发生逻辑上的动宾关系。
例如：This secret is more than we can let out.这个秘密我们是不能泄露的。
（this secret是let out 的逻辑宾语）That is more than I can tell (=I can’t tell that).那事我实在不明白。
（that是tell的逻辑宾语）二、less than与more than意思相反，主要用法有：1.用于两者比较，意为“比……少”。
如：I earn less than he does.我比他钱挣得少。
She eats less than a bird.她的食量比小鸟还少。
The young man is less than twenty years old.这个年轻人不到20岁。
morethan,notmorethan,nomorethan,nolessthan,notlessthan,otherthan,ratherthan解读
More than 用法一、more than 后跟形容词、副词、分词、动词、名词，more than 起强调作用，含义是more than 后的形容词、副词、分词、动词、名词的分量不足以反应实际情况而加以说明，汉语意思是：“十分，非常，岂止，简直，不仅仅，绰绰有余”。
例如：I am more than content with what you said. 我对你的讲话十分满意。
She was dressed more than simply. 她穿着太朴素了。
Being a good listener means much more than just listening with ears.做一个好的听者不仅仅意味着“用耳朵听”。
Peace is much more than the absence of war. 和平不仅仅是没有战争。
can't agree more、A doctor can't be too careful. A kid can never have too many toys.小孩永远不会嫌玩具多。
二、more than / more …than 跟含can 的从句，这种结构不能照字面来翻译。
more than 之后的从句里，英语里虽是肯定形式，却表示否定概念。
more than …can …的结构意为“简直不可能”；“more …than …can …”的结构意为“达到不可能的程度”。
例如：The beauty of the place is more than I can describe.那个地方美得我简直不可以言表。
How he manages to live is more than I can tell. 他怎样生活的，我简直猜不透。
He has more money than he can spend. 他有花不完的钱。
三、more …than 通常用于比较两个不同的人物，但有时也可用来指一个人物本身的两种特性，这时其意义和rather than 相同，肯定more 后面的，而否定than 后面的。
英语morethan和lessthan的用法小结
more than 和less than的用法小结贵州省余庆县城关中学郑代国在中学英语中，more than和less than 的使用频率相当高，用法也较为复杂。
笔者在此将其分别归类，以供学习者参考。
一、more thanThis secret is more than we can let out.（主语secret是let out的逻辑宾语）这个秘密我们是不能泄露的。
比较：less than 后面接形容词、副词时，意为“不；很少；不到”，具有否定意义。
例如：⑴We were busy and less than delighted to have company that day.那天我们很忙，不高兴有客人来。
⑵The young man is less than twenty years old.这个年轻人不到20 岁。
二、more … than1、more … than，意为“与其……不如……”；“是……而不是……”，常可与“rather than”或“not so much … as”互换使用。
例如：He is more like a spear than anything else. = He is like a spear rather than anything else. = He is not so much like anything else as like a spear.与其说他（指大象）像别的什么东西，不如说他像一根长矛。
四、no more … than或not … any more than1、意为“和……一样不……”，表示两者都否定，但说话人往往着重否定前面的一个分句，其作用相当于“neither … nor…”。
例如：Marry is no more diligent than Tom. = Neither Mary nor Tom is diligent.玛丽和汤姆两个人都不勤奋。
比较级中的几点
比较等级中的若干注意点1．more than + 名词“不仅仅是；不只是”（不算是比较结构），如：Bamboo is used for more than building.My trip to Beijing was more than sightseeing.more than + 形容词“特别；非常；很”（不算是比较结构），如：He is more than happy about it.more than + 数词“多于；大于；超过；不止；在……以上”（强调多），如：The factory turns out more than one hundred cars daily.more …than…“与其说……不如说……”（不算是比较结构），如：He is more big than strong.She is more diligent than wise.The book seems to be more a dictionary than a grammar.2．not more than (at the most) “最多；至多；不超过；不多于”（陈述事实!），如：I have not more than ten dollars left in my pocket.There are not more than five tickets left.not more …than…(not so / as…as…) “比不上；不及；不比……更”，如：She is not more diligent than you.The new edition is not more expensive than the old edition.He has not more books than I.3．no more than (only或not any more than) “只有；仅仅；不过”（强调少！！），如：He has no more than ten dollars in his pocket.There are no more than five tickets left.no more …than…(neither…nor…) “和……一样不”（两方面都否定！），如：She is no more diligent than you.This story is no more than interesting than that one.4．less than “较少；较小；更少；更小”，如：The journey took less than an hour, about 45 minutes, I think.I earn less money than a postman.He studies English less hard than before.5．not less than “不少于；不下于；至少（也许不止）”（陈述事实，客观报道），如：There were not less than 1,000 people at the meeting.The man was not less than fifty. (这人至少有五十岁。
more than 的用法归纳
more than 的用法归纳关键信息项：1、 more than ＋名词：表示“不仅仅是；不止是”2、 more than ＋数词：表示“超过；多于”3、 more than ＋形容词/副词：表示“非常；极其”4、 morethan ：表示“与其说不如说”5、 no more than ：表示“仅仅；只有”6、 not more than ：表示“不超过；至多”11 more than ＋名词“more than ＋名词”表示“不仅仅是；不止是”，强调超出了该名词所代表的范畴或性质。
例如：He is more than a friend to me（他对我来说不仅仅是朋友。
）This book is more than a story （这本书不止是一个故事。
）111 在这种用法中，“more than”后面接的名词通常是抽象名词或具有多种属性的名词。
例如：Love is more than a feeling （爱不仅仅是一种感觉。
）The meeting was more than a formality （这次会议不止是一种形式。
）12 more than ＋数词“more than ＋数词”表示“超过；多于”，用于描述数量上的超出。
例如：There are more than 50 students in the classroom （教室里有超过 50 名学生。
）She has lived here for more than ten years （她在这里住了十多年了。
）121 这种结构常与“less than”（少于）相对应。
例如：The price of the dress is less than ＄100、（这件连衣裙的价格少于 100 美元。
）He earns more than ＄5000 a month （他每月挣 5000 多美元。
）13 more than ＋形容词/副词“more than ＋形容词/副词”表示“非常；极其”，用来加强形容词或副词的程度。
more-than的详细用法
一、more than1. more than 可放在数词之前，意为“超过;不止；以上",用于此意义时可与over 互换使用。
例如:Altogether more than 70 percent of the surface of our planet is covered by water。
整体说来，我们这个星球表面有70% 以上都为水所覆盖。
2。
more than 可放在名词之前，表示“不只是；不仅仅”.例如：Hibernation is more than sleep. 冬眠不仅仅是睡眠。
Bamboo is used for more than building。
竹子不只是用于建筑。
3。
more than 用于形容词或副词前,作“非常;十分”解，与very 同义。
例如:She is more than careful in doing things。
她做事非常细心.In class，he listens more than attentively。
在课堂上，他听讲十分认真.4。
more than 之后接含有can 的从句时,常表示否定意义.此时，从句中的谓语动词必须是及物动词,并且与句子的主语呈现逻辑上的动宾关系。
例如：This secret is more than we can let out. 这个秘密我们是不能泄露的。
（主语secret 是let out 的逻辑宾语）比较：less than 后面接形容词、副词时，意为“不；很少；不到"，具有否定意义。
例如：a) We were busy and less than delighted to have company that day。
那天我们很忙,不高兴有客人来.b) The young man is less than twenty years old.这个年轻人不到20 岁。
二、more … than1。
more … than 意为“与其……不如……”；“是……而不是……”，常可与“ rather than ”或“ not so much … as”互换使用.例如：He is more like a spear than anything else. = He is like a spear rather than anything else。
more than的详细用法
一、 more than 1. more than 可放在数词之前，意为“超过；不止；以上”，用于此意义时可与 over 互换使用。
例如：Altogether more than 70 percent of the surface of our planet is covered by water. 整体说来，我们这个星球表面有 70% 以上都为水所覆盖。
2. more than 可放在名词之前，表示“不只是；不仅仅”。
例如：Hibernation is more than sleep. 冬眠不仅仅是睡眠。
Bamboo is used for more than building. 竹子不只是用于建筑。
3. more than 用于形容词或副词前，作“非常；十分”解，与 very 同义。
例如：She is more than careful in doing things. 她做事非常细心。
In class, he listens more than attentively. 在课堂上，他听讲十分认真。
4. more than 之后接含有 can 的从句时，常表示否定意义。
此时，从句中的谓语动词必须是及物动词，并且与句子的主语呈现逻辑上的动宾关系。
例如：This secret is more than we can let out. 这个秘密我们是不能泄露的。
（主语 secret 是 let out 的逻辑宾语）比较：less than 后面接形容词、副词时，意为“不；很少；不到”，具有否定意义。
例如：a) We were busy and less than delighted to have company that day.那天我们很忙，不高兴有客人来。
b) The young man is less than twenty years old.这个年轻人不到 20 岁。
二、more … than 1. more … than 意为“与其……不如……”；“是……而不是……”，常可与“ rather than ”或“ not so much … as ”互换使用。
more than的详细用法
一、more than1。
more than 可放在数词之前，意为“超过；不止；以上”，用于此意义时可与over 互换使用。
例如:Altogether more than 70 percent of the surface of our planet is covered by water。
整体说来，我们这个星球表面有70% 以上都为水所覆盖。
2。
more than 可放在名词之前，表示“不只是；不仅仅”。
例如：Hibernation is more than sleep. 冬眠不仅仅是睡眠.Bamboo is used for more than building。
竹子不只是用于建筑.3. more than 用于形容词或副词前，作“非常；十分"解，与very 同义。
例如：She is more than careful in doing things。
她做事非常细心。
In class，he listens more than attentively。
在课堂上,他听讲十分认真。
4。
more than 之后接含有can 的从句时，常表示否定意义.此时，从句中的谓语动词必须是及物动词，并且与句子的主语呈现逻辑上的动宾关系。
例如:This secret is more than we can let out. 这个秘密我们是不能泄露的。
（主语secret 是let out 的逻辑宾语）比较: less than 后面接形容词、副词时，意为“不；很少;不到”,具有否定意义。
例如：a）We were busy and less than delighted to have company that day。
那天我们很忙，不高兴有客人来。
b）The young man is less than twenty years old.这个年轻人不到20 岁。
二、more … than1. more … than 意为“与其……不如……";“是……而不是……”,常可与“ rather than ”或“ not so much … as "互换使用。
no-less-than-和-no-more-than-的区别
no less than 与not less thanno more than 与not more than区别no less than不亚于，竟达……之多(≥)1)The audience was no less than five thousand. 听众有五千人之多。
2)That hotel probably costs no less than 20 dollars a night. 那间旅馆的住宿费大约要20元一晚呢。
not less than不比……差，至少(≤)1)I'll stay here not less than three days. 我将待在这里至少三天。
no more than同样不；仅仅，只有 (=)1)He is no more than a worker. 他仅仅是个工人。
2)It's no more than a misunderstanding. 这只是个误会。
3)It is no more than ten minutes' walk from the station. 由车站走到这里只有十分钟的路程。
not more than不比……更，不如；至多(≤)1）He is not more diligent than you are.他不象你那样勤奋。
（重点在you are diligent 。
他也勤奋，但不如你勤奋。
）2)I'll stay here not more than three days. 我将待在这里最多不超过三天。
no less .. than不少于,不亚于(≥)1) He is no less a person than a minister他的身分不亚于部长。
not less than至少和…一样1)She is not less beautiful than Mary她至少和玛丽一样美丽。
记忆这两个短语的意思的时候，最好要抛开汉语的影响，而用英语去解释英语no less than = as many / much as ；no more than = as little / few as因此翻译汉语的时候，no less than 要翻译成“不比。
less than的用法总结
less than的用法总结一、"less than"的基本用法"less than"是一个常见的英语短语，用来表示相对较少或较小的数量、程度、时间等。
它通常与比较级连用，用以强调某个事物在某个方面的缺乏或不足。
以下将从不同的角度总结和解释其常见的几种用法。
1. 描述数量限制:使用"less than"时，可以用来表示数量上的限制。
例如：- "He earns less than $30,000 a year." （他每年赚不到3万美元）- "There were less than ten students in the classroom."（教室里只有不到十名学生）- "Less than 5% of the population has access to clean water."（不到5%的人口能够得到清洁水源）2. 表达程度不高:另一种常见的用法是描述程度上的限制，表明某事物并没有达到预期或期望的高度。
例如：- "The movie was less than satisfying; I expected more from it."（这部电影令人失望，我对它的期望更高）- "Her performance was less than stellar; she could have done better."（她的表演并非出色，她本可以做得更好）- "The new product received less than favorable reviews from consumers."（该新产品在消费者中评价并不好）3. 表示时间或年龄的限制:"less than"也可以用来描述时间上或年龄上的限制。
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More than
1.More than +名词表示“多于……”、“非但……尤其是”如：
Modern science is more than a large amount of information.
Jason is more than a lecturer; he is a writer, too.
2.More than +数词含“以上”或“不止”之意，如：
I have known David for more than 20 years.
Let‘s carry out the test with more than the sample copy.
3.More than +形容词表示“很”或“非常”的意思，如：
In doing scientific experiments, one must be more than careful with the instruments.
I assure you I am more than glad to help you.
4.肯定“more”后面的而否定“than”后面的，表示是“与其说……不如……”，如：
The difference between pure linguistics and applied linguistics is more apparent than real.
This book seems to be more a manual than a text.
5.More than或More...than...＋含“can”的分句时表示“否定意”，如：
That's more than I can do.
Don't bite off more than you can chew.
6.另外，“more than”也在惯用语中，如：More offen than not （经常），people tend
to pay attention to what they can take rather than what they can give.
1.no more than同样不；仅仅，只有
It's no more than a misunderstanding. 这只是个误会
2.not more than不比……更，不如；至多
I'll stay here not more than three days. 我将待在这里最多不超过三天。
3.no/not any more……than两者一样都不……，和……一样不……
A whale is not a fish any more than a horse is.
鲸之非鱼，无异于马之非鱼。
4.not more ... than = 不如
You are not more careful than he is. 你不如他仔细。
5.no more ... than = 和......一样不(否定两者)
You are no more careful than he is. 你和他一样不仔细。
Less than
1.no less than不亚于，竟达……之多
The audience was no less than five thousand. 听众有五千人之多。
That hotel probably costs no less than 20 dollars a night. 那间旅馆的住宿费大约要20元一晚呢。
2.no less .. than不少于,不亚于
He is no less a person than a minister他的身分不亚于部长。
3.not less than不比……差，至少
I'll stay here not less than three days. 我将待在这里至少三天。
4. 4.not less...than至少和…一样
She is not less beautiful than Mary她至少和玛丽一样美丽。
5.no/not any less
Are we all not any less than 50th cousins?。