独胆 dúdǎn courageous alone Definitions Defs Origin Strokes Stroke Words Sentences Sents dúdǎn courageous alone 独 獨 dú adverb single single; only one; alone; solitary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.dúdǎn single-digit bet 独 獨 dú adverb single single; only one; alone; solitary胆 膽 dǎn liner The inner part of an object used for holding air or water, such as the bladder of a ball or the glass lining of a thermos flask.
