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夜以继日

yè yǐ jì rì

HSK 7–9

Meaning

  • night and day (idiom); continuous strenuous effort

Definition

用晚上的时间接上白天，形容日夜不停

to continue day and night; to work tirelessly

Usage

通常用来形容工作、学习等非常勤奋，连续不断，不分昼夜。

Usually used to describe extremely hard work or study, continuous, without distinguishing between day and night.

Examples

  • 1 为了按时完成项目，他们夜以继日地工作。 (To finish the project on time, they worked day and night.)
  • 2 高考前，他夜以继日地复习功课。 (Before the college entrance exam, he studied day and night.)
  • 3 科学家们夜以继日地进行实验，终于取得了突破。 (The scientists conducted experiments day and night and finally achieved a breakthrough.)
  • 4 她夜以继日地照顾生病的母亲，毫无怨言。 (She took care of her sick mother day and night without complaint.)
  • 5 工厂的机器夜以继日地运转，保证订单按时交付。 (The factory machines run day and night to ensure orders are delivered on time.)

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