半夜雞啼 [－－鸡－]

Jyutping bun3 je6 gai1 tai4
Pinyin bàn yè jī tí

Definitions (粵典–words.hk)
  1. 語句
    歇後語​：​唔​知丑​（​醜​）
    an expression used to describe one's shamelessness