夜以继日 (夜以繼日) yè yǐ jì rì

yè yǐ jì rì set phrase to continue night and day
Domain: Idiom 成语
Notes: (CC-CEDICT '夜以繼日'; CCI '夜以继日', p. 138; Guoyu '夜以繼日')

Word is mentioned most frequently in

Truncated for common words