hair-splitting

Noun

countable idiomatic uncountable

(idiomatic) the act of finding exceedingly small differences which are probably neither important nor noticeable to most people.

Japanese Meaning

些細すぎる違いにこだわる行為 / 取るに足らないほどの微細な差異を見つけ出し、強調する行為

His constant hair-splitting about punctuation made the meeting drag on.

彼が句読点の些細な違いにこだわり続けたせいで、会議は長引いた。

Sense（1）

(idiomatic) the act of finding exceedingly small differences which are probably neither important nor noticeable to most people.

hair-splittings

（ plural ）