split hairs
成語所屬單字hair
split hairs — 慣用語
1. to argue about very small and unimportant differences in meaning or details
1.慣用語
釋義
鑽牛角尖，斤斤計較
to argue about very small and unimportant differences in meaning or details
例句
The lawyers spent hours splitting hairs over a single word in the contract.
I do not want to split hairs, but your answer is still not quite correct.