hair-splitting

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈhair-splitting noun [uncountable]  CHOOSEwhen people pay too much attention to small differences and unimportant details, especially in an argument 〔尤指在争论中的〕过分纠缠于细枝末节，吹毛求疵 → split hairs at split1(8)

Examples from the Corpus

hair-splitting• This is the kind of disingenuous hair-splitting that gives politics a bad name.• But this is hair-splitting as an art form.• This, to those interested in the purpose of the insider-trading law, is lawyers' hair-splitting.• It is this kind of hair-splitting that gives politics a bad name.

ˈhair-splitting nounChineseSyllable  

differences pay when people Corpus small attention to much too and

hair-splitting
ˈhair-splitting noun [uncountable]
when people pay too much attention to small differences and unimportant details, especially in an argument
⇨ split hairs at split¹(8)

hair-splittingBrE /ˈheə splɪtɪŋ/ 🔊NAmE /ˈher splɪtɪŋ/ 🔊 noun [uncountable] (disapproving) the act of giving too much importance to small and unimportant differences in an argument 过于强调微不足道的分歧；吹毛求疵 SYN quibble ●split ˈhairsto pay too much attention in an argument to differences that are very small and not important 在细节上过分纠缠