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Jyutping m4 zi1 go3 sau1 zi6 dim2 se2
Pinyin wú zhī gè xiū zì diǎn xiě

Definitions (CC-CANTO)
  1. feeling shameless even after doing shameful things
Definitions (Wiktionary)
  1. phrase, Cantonese
    doesn't have any sense of shame
    (syn.) 唔识个羞字点写, 唔識個羞字點寫
    • 你究竟知唔知个羞字点写㗎?
      你究竟知唔知个羞字点写㗎?
      nei5 gau3 ging2 zi1 m4 zi1 go3 sau1 zi6 dim2 se2 gaa3?
      Do you have any sense of shame?