cavil at挑剔
raise cavils挑毛病
nitpick吹毛求疵
1. He kept cavilling about the report instead of focusing on the main issues.
他一直在挑报告的毛病，而不是关注主要问题。
2. Stop cavilling over trivial details and make a decision.
别再对琐碎细节吹毛求疵了，做个决定吧。
A: She is always cavilling about my work.
A：她总是挑我的工作毛病。
B: It's annoying when he spends hours cavilling instead of helping.
B：当他花几个小时挑毛病而不帮忙时，真让人烦。
1) 吹毛求疵，挑剔小问题
2) 对无关紧要的细节进行批评
3) 挑剔、找茬
1. 对小错误或细节无谓挑剔
e.g. He was cavilling at every minor mistake.
他对每一个小错误都吹毛求疵。
verb
1. To raise trivial or unnecessary objections; to find fault over minor matters.
Synonym: quibble, nitpick, fault-find