三九唔識七 [－－－识－]

Jyutping saam1 gau2 m4 sik1 cat1
Pinyin sān jiǔ wú shí qī

Definitions (粵典–words.hk)
  1. 語句、俚語
    同三​唔​識​七
    to have no konwledge of someone; to be a complete stranger
Definitions (Kaifangcidian)
  1. 誰也不認識誰 – 谁也不认识谁
  2. 互不認識 – 互不认识
  3. 互不相識 – 互不相识
  4. 互不相干

三九唔識七 [－－－识－]

Jyutping saam1 gau2 m4 sik1 cat1
Pinyin sān jiǔ n2 shí qī

Definitions (CC-CANTO)
  1. describes the situation where no one knows who anyone else is, where everyone is a total stranger to everyone else