连夜 (lián yè) — that very night; without delay until the next day; through the night; all night; for several consecutive nights

连夜 emphasizes speed — doing something 'that very night' without waiting. 通宵 and 彻夜 both stress lasting 'all night long' without the urgency.

that very nightwithout delay until the next daythrough the nightall nightfor several consecutive nights

예문

  • 连夜
    Wèi le wán chéng rèn wu, tā lián yè gōng zuò le shí gè xiǎo shí.
    To complete the task, he worked for ten straight hours through the night.
  • 连夜
    Jǐng chá lián yè gǎn wǎng xiàn chǎng diào chá àn jiàn.
    The police rushed to the scene that very night to investigate the case.
  • 连夜
    Zhè zhōu tā shàng zhōu lián yè jiā le sān tiān bān, fēi cháng xīn kǔ.
    He worked overtime for three consecutive nights last week and was very tired.

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