做牛做马 Traditional form: 做牛做馬 Pinyin (reading): zuòniúzuòmǎ Definitions: lit. to work like an ox, to work like a horse; fig. to work extremely hard Characters: 做 - to work, to make; to act 牛 - ox, cow, bull 做 - to work, to make; to act 马 - horse; surname Traditional characters: 做 - to work, to make; to act 牛 - ox, cow, bull 做 - to work, to make; to act 馬 - horse; surname