split hairs
/ˌsplɪt ˈheəz/idiom
to argue about very small, unimportant details
придираться к мелочам, спорить о пустяках
Русский аналог: «буквоедствовать»
Только во множественном числе: split hairs. Hair-splitting — буквоедство, придирки к мелочам.
“Let’s not split hairs — the result is basically the same.”
“Lawyers are paid to split hairs.”
“Stop splitting hairs and give me a straight answer.”