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Jyutping gong2 lau6 zeoi2
Pinyin jiǎng lòu zuǐ

Definitions (CC-CANTO)
  1. blurt out
Definitions (粵典–words.hk)
  1. 動詞
    説​走​了​嘴​、​説​話​走​了​火
    let slip; divulge a secret by mistake
Definitions (Kaifangcidian)
  1. 說走了嘴 – 说走了嘴
  2. 說話走了火 – 说话走了火
Examples (粵典–words.hk)
  1. Cantonese
    佢开会𠮶阵讲漏嘴,俾老细抦镬金。
    佢開會嗰陣講漏嘴,俾老細抦鑊金。
    keoi5 hoi1 wui2 go2 zan2 gong2 lau6 zeoi2, bei2 lou5 sai3 bing2 wok6 gam1.
    • He got a tongue-lashing from the boss for his verbal blunder at the meeting.