Search the dictionary A Chinese word or character, or English Search 5 entries. dúdǎn 独胆 individually courageous dúdǎn 獨膽 individually courageous bìmádúdànbái 蓖麻毒蛋白 ricin (biochemistry) chángdùdānwèi 长度单位 unit of length chángdùdānwèi 長度單位 unit of length