词汇串讲

1. obey/observe/ keep to the school rules

2. object to doing objection objective an objective report

Your object is to enter a good university.

3. oblige sb to do = force sb to do

4. observation . observe one's birthday

5. obstacle clear away the obstacle

7. occasion 场合；时刻on this happy occasion . on occasion有时，偶尔

8. occupation a side occupation

occupy a lot of room (=take up) Is this seat occupied ?

occupy oneself in doing , be occupied in/with = be busy in doing/with …9. occur 发生Don't let this occur again. (happen, take place)

The Olymipcs occur every four years.

10.in memory of in search of cure sb of

inform sb of suspect sb of rob sb of

12. see sb off turn/switch off be well off

pay off 还清，off the point

13. offend sb

14. offer to do = make an offer to do

I offered him ￥100 for his bike. (charge)

15. an official letter news from an official source

18. I have been here once. I once lived here. once again

once more once in a while

19. only too...to = very I am only too glad to meet you.

21. The door won't open. open an account be open to the public opening speech

26. or so etc.

30. other each other = one another other than = except

31. make out stand out give out

out of question out of the question

help sb out of pity help sb out of kindness

32. outcome The outcome of the match disappointed me.

33. outline a detailed outline

34. output

36. overtake overtake sb overtake a car

37. owe 欠owe sb sth owe sth to sb I owed him $1,000

owe ... to ... I owe my success to good luck. owing to = because of = due to 38. own 拥有,自己的on one's own = by oneself

of one's own …