关于数字的英语习语

if two men ride on a horse, one must ride behind 一山不容二虎

a two-edged sword 双刃剑

no one can serve two masters 一仆难事二主

at the eleventh hour 最后关头

a fifth wheel 多余的人

first and foremost 首要的

give somebody five 击掌庆祝

nine to five周九晚五

have nine lives 大难不死

the whole nine yards everything or a situation with everything included go the whole nine yards 竭尽全力

have forty winks 白天打盹

on all fours 四肢着地

the four corners of the earth 世界各地

four-letter word 粗话

feel like a million dollars 感觉非常好

never in a million years 绝对未有

a nine days' wonder 昙花一现

possession is nine points of the law 拥有者在诉讼中通常占上风

talk nineteen to the dozen 滔滔不绝

ninety-nine times out of hundred 十之八九

have one's number 有某人的把柄

one's number comes up 交好运（如比赛中）

there's safety in numbers 人多比较安全（人多势众，人多力量大）

a cushy number 简单的工作；舒适的环境

one's opposite number a person who has the same situation as you in another country or situations

public enemy number one 头号公敌

six feet under 死亡

it's six of one and half a dozen of the other 半斤八两

be in seventh heaven 快乐无比

the seven year itch 七年之痒

have one over the eight 稍醉

ten out of ten 百分之百

ten a penny 很便宜

three sheets to the wind 醉得东倒西歪

the third degree 逼供逮捕the first degree 入狱the second degree

third time lucky 第三次运气变好

behind the eight ball 处境危险

the seventh son of a seventh son 非常重要的后代

be in two minds about sth 犹豫做某事

lesser of the two evils 两害相权取其轻

two can play at that game 以其之道还彼之身

two heads are better than one 可理解为三个臭皮匠订个诸葛亮

two sides of the same coin 凡是有两面

two wrong don't make a right 以怨抱怨并不是对的

that makes two of us 我同意

two's company(three's a crowd) 两人成伴，三人不欢two sandwiches short of a picnic 不聪明（脑子脱线了）in takes two to tango 一个巴掌拍不响

put two and two together 根据情况推测

one good turn deserves another 善应有善报

once bitten, twice shy 一朝被蛇咬，十年怕井绳