脱缰之马 (脫韁之馬) tuōjiāng zhī mǎ
          
              tuōjiāng zhī mǎ 
              
              set phrase 
              a horse that has thrown off the reins; runaway horse; out of control 
              Domain: Idiom 成语
              
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                Notes: (CC-CEDICT '脫韁之馬')