他动不动就耍脾气。

His temper is easily ruffled.

《新英汉大辞典》

他在外头耍脾气，真令我难为情。

It's really embarrassing when he ACTS up in public.

youdao

今天和老板打交道的时候，小心点，别耍脾气。

Be careful not to show your temper when dealing with the boss.

youdao

我并不想对任何人耍脾气，但他这么好打听真叫人恼火。

I do not want to be mean to anybody but his nosiness is really exasperating.

youdao

我并不想对任何人耍脾气，但他这么好打听真叫人恼火。

I do not want to be mean to anybody but his nosiness is really exasperating.

youdao