当牛作马 (當牛作馬) dāng niú zuòmǎ
          
              dāng niú zuòmǎ 
              
              set phrase 
              to work like a horse and toil like an ox; to slave for sb 
              Domain: Modern Chinese 现代汉语
              
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                , Concept:  
              
              
              
                Notes: (CC-CEDICT '當牛作馬')