stop ... ing 停止做某事

stop something 中的 something 可以被动词的... ing 替换，成为 stop 的宾语。该句式表示“停止做某事”，“放下手中的事情”等。

例句：

I always stop eating before I feel full.

我每次都吃到饱为止。

I won't stop to smoke. I stopped smoking.

我不会停下来抽烟的，我早就戒烟了。

I've had it. Stop acting like my mother.

真累啊，别总像我妈似的。

Will you stop doing that?

你能住手吗？

对话：

A: You have to stop smoking.

你得戒烟了。

B: I know, but it's very difficult.

我知道，不过这很难。