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Jyutping mat1 seoi2
Pinyin miē shuǐ

Definitions (粵典–words.hk)
  1. 代詞、俚語
    邊個​;​用​嚟​問人​身份​,​但​係​冇​咁​有禮​貌​嘅​講​法
    who (a less polite expression)
    • 「唔該揾陳先生吖。」「乜水啊?」
      「唔该揾陈先生吖。」「乜水啊?」
      m4 goi1 wan2 can4 sin1 saang1 aa1. mat1 seoi2 aa3?
      "Can I speak to Mr. Chan?" "Who is that?"
  2. 參看
    乜誰
Definitions (Kaifangcidian)
  1. 什麼來頭 – 什么来头
  2. 什麼東西 – 什么东西
  3. 誰 – 谁

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Jyutping me1 seoi2
Pinyin miē shuǐ

Definitions (CC-CANTO)
  1. who
Examples (粵典–words.hk)
  1. Cantonese
    我唔识你㗎㖞,你乜水?
    我唔識你㗎喎,你乜水?
    ngo5 m4 sik1 nei5 gaa3 wo3, nei5 mat1 seoi2?
    • I don't know you, who are you?
  2. Cantonese
    「唔该揾陈先生吖。」「乜水啊?」
    「唔該揾陳先生吖。」「乜水啊?」
    m4 goi1 wan2 can4 sin1 saang1 aa1. mat1 seoi2 aa3?
    • "Can I speak to Mr. Chan?" "Who is that?"