It's a natural human thing to do, so F whoever's mean about that.

那是正常人类会做的事情，管他谁会在意。

Why would we be mean about your look?

- 为什么我们会对你的外表刻薄？

You don't have to be mean about it. - You aired a bad story.

你不用这么损嘛 -你们播了条烂新闻。

Conflict is inevitable as you're an adult living with other adults, but don't be mean about it.

作为一个与其他成年人生活在一起的成年人，冲突是不可避免的，但不要对此刻薄。