Search the dictionary A Chinese word or character, or English Search 8 entries. gùdàn 固氮 nitrogen fixation gūdān 孤单 lone gūdān 孤單 lone gūdǎn 孤胆 solitary hero gūdǎn 孤膽 solitary hero gūdǎnyīngxióng 孤胆英雄 solitary hero pìgudàn 屁股蛋 butt cheek gūdǎnyīngxióng 孤膽英雄 solitary hero