夜以继日 (yè yǐ jì rì) | Meaning: night and day (idiom); continuous strenuous effort | Chinese Idiom with Pinyin & Origin

overnight until daybreak (idiom); all night long · day and night通宵达旦tōng xiāo dá dàn

(idiom) to skip one's sleep and meals; to be completely wrapped up in one's work废寝忘食fèi qǐn wàng shí

to burn the midnight oil (idiom); to work continuously night and day焚膏继晷fén gāo jì guǐ

to rise early and sleep late (idiom); to work hard · to study diligently · to burn the candle at both ends夙兴夜寐sù xīng yè mèi

sit up and wait for daybreak · sit and wait for the dawn · quietly wait for the day to dawn · remain awake till daybreak坐以待旦zuò yǐ dài dàn

unrelenting · without stopping to rest马不停蹄mǎ bù tíng tí

night and day (idiom); continuous strenuous effort