prep.

1. 关于，对于
   My mother often spoke to me about you.

   家母常和我谈起你。

2. 在……的附近；在……的周围
   She sat up and looked about her.

   她坐了起来，环顾四周。

3. 在……的身边
   I had no money about me.

   我身边没有带钱。

4. 大约在……时候
   It happened about 5 o'clock in the morning.

   这事发生在早晨约莫五点钟的时候。

5. 从事于
   What the hell are you about?

   你到底在做什么？

6. 在……身上，在……的性格中
   What I like about him is his sense of humor.

   我喜欢的是他的幽默感。

ad.

1. 在四周；到处
   She likes to walk about.

   她喜爱四处走走。

2. 在附近，在近处
   There were few people about.

   附近几乎无人。

3. 大约；几乎
   John is about the same age as Tom.

   约翰和汤姆的年龄相仿。

4. 向相反方向
   The ship turned about midway.

   船在中途掉转了航向。

prep.

adv.

1. [as prep.] on the subject of; concerning.
2. used to indicate movement within a particular area or location in a particular place.
3. [as adv.] approximately.