nitpicker
🇺🇸
/ˈnɪtpɪkər/
🇬🇧
/ˈnɪtpɪkə(r)/
noun
R
A person who is overly concerned with minor details or faults.
My coworker is such a nitpicker that she checks every comma in the report.
我的同事真是个挑剔的人，她逐条检查报告中的每一个逗号。
translation
吹毛求疵者