以慎为键 (以慎為鍵) yǐ shèn wèi jiàn
          
              yǐ shèn wèi jiàn 
              
              set phrase 
              to take caution as the key; to proceed very carefully 
              Domain: Idiom 成语
              
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                Notes: (CC-CEDICT '以慎為鍵')