斗胆 dǒudǎn to make bold Origin Definitions Defs Strokes Stroke Words Sentences Sents 斗 dǒu large (bound form) describing something as great or large, often metaphorically, as in 斗胆 dǒudǎn胆 膽 dǎn nounadjective courage Bravery or guts; derived from the traditional Chinese belief that the gallbladder is the source of a person's courage.