HSK 7–9 · Practice
夜以继日
day and night; around the clock
为了按时完成工作，他夜以继日地努力。
Wèile ànshí wánchéng gōngzuò， tā yèyǐjìrì de nǔlì。
To finish the work on time, he works hard day and night.
HSK 7–9 · Practice
day and night; around the clock
为了按时完成工作，他夜以继日地努力。
Wèile ànshí wánchéng gōngzuò， tā yèyǐjìrì de nǔlì。
To finish the work on time, he works hard day and night.