我们笑了，因而使紧张的情绪缓和下来。

We laughed and that helped ease the tension.

《牛津词典》

她张开没牙的嘴巴对我们笑了笑。

She gave us a toothless grin.

《牛津词典》

也许我们甚至有点害怕我们也会变成那样，所以我们笑了。

Perhaps we are even a bit frightened we may get like that, so we laugh.

youdao

Well, here are some basic facts that-- remember we're trying to think like evolutionary biologists here.

我们了解笑的几个基本事实-,记住了，我们是从进化的角度来思考这个问题的。

耶鲁公开课 - 心理学导论课程节选

They say it, so that we don't have to and we laugh our heads off.

他们说出来了，我们就不用说了，我们只管笑掉大牙。

街上的售票员 - SpeakingMax英语口语达人