讲解文本：

bad-mouth 严厉批评，说坏话，恶意攻击

Why do you always bad-mouth my friends?

你为什么总说我朋友的坏话?

I don't think it's right to bad-mouth others. So don't do it.

我认为说别人坏话是不对的，你最好别这样做。

疯狂练习吧!