11. in the east of　 be born of 出生于　 be afraid of　　 be made of (材料不可见)　 be full of

of the same opinion/age　 think of 记起(think about 考虑)　 dream of 梦见　 learn of 记牢

be made up of 由…组成　　 in memory of 纪念　　　 in search of 寻找　　 cure sb of

get rid of 除去　 inform sb of 通知　 remember of 记起…　 suspect sb of 怀疑　 rob sb of　　　　 out of stock　 　all of a sudden 突然 　

10. odd　 古怪的　 oddly enough = strangely enough 说也奇怪　　 odds and ends 零碎小东西

9. occur 发生　 Don't let this occur again. (happen, take place)　

The Olymipcs occur every four years.

　It occurred to sb that ... 人突然想到… It occurred to me that I forgot my pen in the classroom.

8. occupation　 工作　　　 a side occupation 副业

occupy a lot of room (=take up) 占据, Is this seat occupied ? occupy an important position　

　　 occupy oneself in doing ,　 be occupied in/with = be busy in doing/with　　 忙于干…

7. occasion 场合；时刻　 on this happy occasion .在这个快乐场合下　 on the occasion of

6. obvious　 明显的，清楚的　 It was obvious to everyone that he was lying.

　　　　　　　　　　　　　 You shouldn’t tell such obvious lies.

5. obstacle　 障碍物　　 clear away the obstacle

4. observation .观察　 keep sth under observation 观察…

observe 遵守；观察　　 observe sb do/doing sth　　 observe one's birthday 庆祝…生日

3. oblige sb to do = force sb to do　 迫使　　　 I'm obliged to you for doing ... 因做…而感激…

2. object to doing　　 反对

objection　 反对　　 have no objection to 不反对

objective　 客观的,目的　 an objective report　 Your objective is to enter a good university.