1. keep doing 继续不间断地做某事;
We kept working in the fields in spite of the rain.
尽管下雨,我们还是坚持在地里干活。
Why do the dogs keep barking?
这些狗为什么不停地叫?
情景对话:
A: Why do you seem so tired? 你看起来很累啊,为什么?
B: No seat available, so I had to keep standing during the meeting. 没有座位了,所以整个会上我只好站着。