upset的用法与短语

We risk upsetting the ecological balance of the area.

我们有可能破坏这个地区的生态平衡。

Why did you have to go and upset your mother like that?

你干吗非得让你母亲那样伤心呢？

Naturally, I get upset when things go wrong.

事情出了错，我当然就会很烦。