词源同crook, cranky. 即脑子转弯，跟常人不一样的。

1. He was tired and crotchety.

他累了，动不动就发火。

来自《权威词典》

2. He is a crotchety old man.

他是个脾气暴躁的老头。

来自辞典例句

3. His crotchety, even cruel behavior must be mischaracterized too.

他反复无常 、 甚至是残酷的行为一定也是由于复杂的性格原因.

来自互联网

4. It's hardly surprising that this bold, or perhaps crotchety, proposal was instantly controversial.

不出所料, 这个大胆, 些许有些离奇的建议一经提出便立刻引起争议.

来自互联网