We had a laugh over that one.

我们对此大笑。

They both began to laugh over nothings as children will when they are happy together.

任何事情都能让他们开怀大笑，就像孩子们开心地在一起的时候一样。

We all had a laugh over that.

我们都对那件事大笑一场。

People will laugh over it.

别人会为这件事发笑。

Dad and I had a good laugh over it.

我和爸爸为此大笑了一场。