吹灰 Traditional form: 吹灰 Pinyin (reading): chuīhuī Definitions: to blow away dust Characters: 吹 - to blow, to puff; to brag, to boast 灰 - ashes; dust; lime, mortar Traditional characters: 吹 - to blow, to puff; to brag, to boast 灰 - ashes; dust; lime, mortar