On top of that

We use this expression to add another point to what we have already said.

在我们已经说的内容上再额外添加某个观点时，我们会使用这个短语

A: I don't like working with him. He's rude and aggressive.

我不喜欢和他一起工作。他粗鲁无礼，咄咄逼人。

B: Yes, and on top of that he thinks he's always right. I hate it.

是的，最重要的是，他认为他总是对的。我真的很讨厌这样。