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夜以继日

yèyǐjìrì

day and night; around the clock

A mending worker at a wall with sun and moon together in the sky
Memory picture

Characters in this word

夜 yè

Strokes
8
Radical
夕 — evening, night, dusk
How it's built
Ideograph — the meaning is built from its parts

继 jì

Strokes
10
Radical
纟 — silk
How it's built
Phono-semantic — one part hints at the meaning, another at the sound
More about the character 继

日 rì

Strokes
4
Radical
日 — sun
How it's built
Pictograph — a drawing of the thing

Example phrases

  • 为了抢修被洪水冲毁的道路,工程队夜以继日地工作了三天。 Wèile qiǎngxiū bèi hóngshuǐ chōnghuǐ de dàolù, gōngchéngduì yèyǐjìrì de gōngzuò le sān tiān. To repair the road destroyed by the flood, the engineering team worked around the clock for three days.
  • 科学家们夜以继日地研究,终于找到了解决问题的办法。 Kēxuéjiāmen yèyǐjìrì de yánjiū, zhōngyú zhǎodàole jiějué wèntí de bànfǎ. The scientists worked day and night on their research and finally found a way to solve the problem.
  • 为了准备考试,他夜以继日地复习了一个月。 Wèile zhǔnbèi kǎoshì, tā yèyǐjìrì de fùxí le yī gè yuè. To prepare for the exam, he studied hard day and night for a month.

Related words

All HSK 9 words →