夜以继日 yèyǐjìrì night and day (idiom)
night and day (idiom); continuous strenuous effort
怎么记住“夜以继日”: 夜 night + 以 to use + 继 continue + 日 sun = night and day (idiom).
汉字
用法
- Idiom: day and night without stopping - 夜以继日地工作 (yèyǐjìrì de gōngzuò) work round the clock.
- Lit. 'take night to continue the day'; praises tireless, continuous effort. Written.