Find fault with trivial details

• Correct insignificant mistakes obsessively
• Be overly pedantic about minor issues

对细枝末节吹毛求疵

• 执着于纠正无关紧要的小错
• 在小问题上过分挑剔

Remove nits, the eggs of lice, from hair

• Comb out lice eggs manually

从头发上挑拣虱卵

• 用梳子清除虱卵

A trivial or pedantic criticism

• A minor, picky objection

微不足道的吹毛求疵式批评

• 琐碎的异议