1. He always insists on arguing over the smallest details, he's such a hairsplitter.
他总是坚持就最细微的细节而争论不休，他真是一个吹毛求疵者。
2. I can't believe he's still debating about the correct usage of a comma, he's such a hairsplitter.
我简直无法相信他还在争论逗号的正确用法，他真是一个太过在意细节的人。
