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Jyutping jyu4 mung6 co1 sing2
Pinyin rú mèng chū xǐng

Definitions (CC-CANTO)
  1. as if awakening from a dream, analogy: someone was foolish in the past, but inspired by other people, he finally understands
Definitions (粵典–words.hk)
  1. 語句
    好似​啱​啱​發完​夢​咁​,​領悟​咗​一​啲​嘢
    (lit.) as if awakening from a dream; (fig.) enlightened; suddenly knowing or understanding sth
    • 考完試嗰刻我如夢初醒,先知原來自己計錯數。
      考完试𠮶刻我如梦初醒,先知原来自己计错数。
      haau2 jyun4 si3 go2 hak1 ngo5 jyu4 mung6 co1 sing2, sin1 zi1 jyun4 loi4 zi6 gei2 gai3 co3 sou3.
      I realised I have done that Math question wrongly just at the end of exam.
Definitions (Wiktionary)
  1. phrase, idiomatic
    as if awakening from a dream
  2. phrase, figuratively, idiomatic
    to suddenly realize; to suddenly see the light; to wake up to reality
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    考完试𠮶刻我如梦初醒,先知原来自己计错数。
    考完試嗰刻我如夢初醒,先知原來自己計錯數。
    haau2 jyun4 si3 go2 hak1 ngo5 jyu4 mung6 co1 sing2, sin1 zi1 jyun4 loi4 zi6 gei2 gai3 co3 sou3.
    • I realised I have done that Math question wrongly just at the end of exam.
Examples (Wiktionary)
  1. Mandarin
    如梦初醒
    如夢初醒
    rú mèng chū xǐng
    • to suddenly realize; to wake up to reality (literally, “as if one has just waken up from a dream”)