吹灰 chuīhuī to blow away dust Origin Definitions Defs Strokes Stroke Words Sentences Sents 不费吹灰之力 bùfèichuīhuīzhīlì effortless as easy as blowing off dust; needing no effort at all吹灰之力 chuīhuīzhīlì slight effort (idiom) a tiny amount of strength; very small effort