find fault with somebody on purpose 找茬儿

“找茬儿”，中文俗语，表示故意挑毛病、找麻烦，存心挑剔，与“找岔子”同义。可以翻译为“find fault with somebody on purpose，pick flaws/holes in somebody deliberately”。

例句：

你这是故意给我们找茬儿。

You are finding fault with us on purpose.

他动不动就给别人找岔子。

He is always ready to pick holes in others.