nitpicking

动词 nitpick:

1. be overly critical; criticize minor details
   同义词：nitpick

形容词 nitpicking:

1. quibbling over insignificant details
   同义词：caviling, carping, pettifogging, quibbling

nit.pick.ing

n.（名词）
Minute, trivial, unnecessary, and unjustified criticism or faultfinding.
吹毛求疵：琐碎的微不足道的，不必要的且不公平的指责或挑剔