夜以继日
yè yǐ jì rì

Meanings

  1. night and day (idiom); continuous strenuous effort

Quick facts

Traditional夜以繼日
HSK LevelHSK 7–9
CEFRC2

Practice 夜以继日 with flashcards

MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.