矜功不立

jīn gōng bù lì

释义

boasts a lot, but nothing comes of it (idiom)

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汉字

矜jīnto pity, to sympathize, to feel sorry for矛今功gōngachievement, good work; merit; service工力不bùno, not, un-; negative prefix一立lìto stand; to establish, to set up亠丷一