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Jyutping m4 sik1 go3 cau2 zi6 dim2 se2
Pinyin wú shí gè chǒu zì diǎn xiě

Definitions (Wiktionary)
  1. phrase, Cantonese
    doesn't have any sense of shame
    (syn.) 唔知个丑字点写, 唔知個醜字點寫
    • 你究竟识唔识个丑字点写㗎?
      你究竟识唔识个丑字点写㗎?
      nei5 gau3 ging2 sik1 m4 sik1 go3 cau2 zi6 dim2 se2 gaa3?
      Do you have any sense of shame?
Definitions (Kaifangcidian)
  1. 不知羞恥 – 不知羞耻
  2. 不知廉恥 – 不知廉耻
Examples (粵典–words.hk)
  1. Cantonese
    男人老狗,成只缩头乌龟噉,你识唔识个丑字点写呀?
    男人老狗,成隻縮頭烏龜噉,你識唔識個醜字點寫呀?
    naam4 jan4 lou5 gau2, seng4 zek3 suk1 tau4 wu1 gwai1 gam2, nei5 sik1 m4 sik1 go3 cau2 zi6 dim2 se2 aa3?
    • You're supposedly a man, but you look more like a turtle with its head in its shell. Do you ever feel ashamed of yourself?