蛮干 Traditional form: 蠻幹 Pinyin (reading): mángàn Definitions: to act rashly to act precipitously regardless of the consequences reckless foolhardy daredevil Characters: 蛮 - barbarians; barbarous, rude, savage 干 - arid, dry; to oppose; to offend; to invade Traditional characters: 蠻 - barbarians; barbarous, rude, savage 幹 - arid, dry; to oppose; to offend; to invade