斗牛 [ㄉㄡˇ ㄋㄧㄡˊ; dou3 niu2] Big Dipper and Altair (astronomy) ◄ ►
鬥牛 [ㄉㄡˋ ㄋㄧㄡˊ; dou4 niu2] bullfighting ◄ ►