nitpicking
noun [ U ] informal disapproving uk/ˈnɪtˌpɪk.ɪŋ/ us/ˈnɪtˌpɪk.ɪŋ/
吹毛求疵，挑剔，找茬儿
giving too much attention to details that are not important, especially as a way of criticizing
If you spent less time nitpicking, you'd get more work done. 如果你少花点时间吹毛求疵，就可以完成更多工作。