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Jyutping gwai2 m4 zi1
Pinyin guǐ wú zhī

Definitions (粵典–words.hk)
  1. 語句
    係​人​都​知
    it goes without saying; everyone knows; literally 'ghosts don't know'
    • 鬼唔知你阿媽係女人!
      鬼唔知你阿妈系女人!
      gwai2 m4 zi1 nei5 aa3 maa1 hai6 neoi5 jan2!
      Oh, come on, who doesn't know that? (literally 'Ghosts don't know your mum is a woman!')
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    鬼唔知咩。
    鬼唔知咩。
    gwai2 m4 zi1 me1 。
    • That's obvious.
Examples (粵典–words.hk)
  1. Cantonese
    鬼唔知阿妈系女人咩!
    鬼唔知阿媽係女人咩!
    gwai2 m4 zi1 aa3 maa1 hai6 neoi5 jan2 me1!
    • Oh, come on, who doesn't know that? (literally 'Ghosts don't know your mum is a woman!')
  2. Cantonese
    鬼唔知你阿妈系女人!
    鬼唔知你阿媽係女人!
    gwai2 m4 zi1 nei5 aa3 maa1 hai6 neoi5 jan2!
    • Oh, come on, who doesn't know that? (literally 'Ghosts don't know your mum is a woman!')