美 [ˈkævl əˈbaʊt]
挑剔，吹毛求疵：对某事物进行过分挑剔或吹毛求疵的行为。
挑剔
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吹毛求疵；挑剔
nit-pick / find quarrel in a straw
Thus inspired, let me cavil a little bit about the glorious American liberation of Iraq.
ECONOMIST: Post-war post bag