do one's job 做某人的事

　　do 如果接 job 或 homework 的话就表示“做事（作业）”。另外，I'm just doing my job 则可以用在有人表扬或妨碍自己的时候，表示“我只是在做分内工作”。

　　例句：

　　I do my job, and you do yours. All right?

　　咱们井水不犯河水，好不好？

　　You can just do your job.

　　你只顾管自己的事情就好。

　　I was doing my homework when you called me.

　　你给我打电话我在做作业。

　　对话：

　　A: He doesn't do his job very well.

　　他的工作情况不是很顺利。

　　B: I know. He's going to be fired soon.

　　我知道，没多久他就要被炒鱿鱼了。