一听到笑话，他们就大笑起来。

On hearing the joke, they began to laugh loudly.

youdao

然后警官们开始咯咯笑。最后，当他们意识到这人横竖不打算走了，就突然爆发出一阵大笑。

Then the officers chuckled and let out an unexpected laugh when they realized the man wasn't going away.

youdao

然而在我心里却觉得：如果当时他们真的大笑的话，我倒是会感到惊讶的。这是因为我发现自己讲的时候在潜意识里就一直觉得：这个故事太蠢了！

And in my heart I should have been startled if they had behaved otherwise, for all the time I was telling it I was conscious in my soul that it was a stupid story!

youdao