夜以继昼 (夜以繼晝) yè yǐ jì zhòu
          
              yè yǐ jì zhòu 
              
              set phrase 
              to continue night and day 
              Domain: Idiom 成语
              
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                Notes: Variant of 夜以继日 (Guoyu '夜以繼晝')