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Jyutping gong2 seng1 deoi3 m4 zyu6
Pinyin jiǎng shēng duì wú zhù

Definitions (Kaifangcidian)
  1. 說對不起 – 说对不起
  2. 說一聲對不起 – 说一声对不起

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Jyutping gong2 seng1 deoi3 m4 zyu6
Pinyin jiǎng shēng duì n2 zhù

Definitions (CC-CANTO)
  1. to apologise [colloquial]