expression, godan verb (-ru)
nitpick; complain about trifles
Idiomatic expression meaning to find fault with minor details or to complain about trivial matters. Often used critically to describe someone who focuses on insignificant flaws.
See also: 重箱の隅をつつく
彼はいつも重箱の隅をほじくるようなことばかり言う。
He always says things that are just nitpicking.
そんな重箱の隅をほじくるような指摘はやめてください。
Please stop making such nitpicky remarks.