斗胆 Traditional form: 斗膽 Pinyin (reading): dǒudǎn Definitions: (courteous) to be so bold as to Characters: 斗 - to struggle, to fight, to contend; measuring cup 胆 - gallbladder; gall, guts, courage Traditional characters: 斗 - to struggle, to fight, to contend; measuring cup 膽 - gallbladder; gall, guts, courage