那不公平！

That's not fair!

youdao

如果你认为那不公平，为什么不说出口？

If you thought that wasn't fair, why didn't you speak up?

《新英汉大辞典》

丹尼尔：妈妈，那不公平。

Daniel: That's unfair, Mom.

youdao

Is it unfair or unreasonable to describe this class, ? as Aristotle might, as a natural aristocracy?

一如亚里士多德可能会说．天生贵族，那是不公平或超出情理吗？

耶鲁公开课 - 政治哲学导论课程节选

Yes,it's difficult. It's tough. It's unfair.

是的，那很困难，艰辛，不公平。

哈佛公开课 - 幸福课课程节选