Looking for flaws
Chinese idiom, Pinyin is x ú nxi á s ì x ì, which means to find other people's shortcomings and see if there is any room to drill. Stand by for a quarrel. It comes from the book of pumila on Gong.
Idiom explanation
Looking for: looking for; flaw: the spot on the jade, a metaphor for shortcomings; he: observation, gap: gap, opportunity. Look for other people's shortcomings and see if there is room for them. Stand by for a quarrel.
The origin of Idioms
Lu Xun's book of two places 49: "the students of this school once opposed the headmaster, but after it subsided, they were often indignant. Every time they searched for flaws, they were in trouble with the clerks."
Looking for flaws
a person of exceptional ability or striking appearance - rén cái chū zhòng