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Jyutping saam1 hau2 loeng5 lei6
Pinyin sān kǒu liǎng lì

Definitions (CC-CANTO)
  1. three mouths two tongues, which means lack of credibility
Definitions (粵典–words.hk)
  1. 形容詞
    一個​人講​嘢​善變​,​言​而​無信
    always telling lies; never keeping one's word
    • 呢個人三口兩脷,唔好信呀。
      呢个人三口两脷,唔好信呀。
      nei5 go3 jan4 saam1 hau2 loeng5 lei6, m4 hou2 seon3 aa3.
      This person always telling lies, do not trust him.
Examples (粵典–words.hk)
  1. Cantonese
    呢个人三口两脷,唔好信呀。
    呢個人三口兩脷,唔好信呀。
    nei5 go3 jan4 saam1 hau2 loeng5 lei6, m4 hou2 seon3 aa3.
    • This person always telling lies, do not trust him.