舅父打外甥，打死冇人爭 [－－－－－－－－－－争]

Jyutping kau5 fu2 daa2 ngoi6 sang1 daa2 sei2 mou5 jan4 zang1
Pinyin jiù fù dǎ wài shēng ， dǎ sǐ mǎo rén zhēng

Definitions (粵典–words.hk)
  1. 語句
    一種​母系​社會​習俗​，​舅父​教訓​犯錯​外甥​，​父母​都​唔​可以​出聲
    a matriarchy custom, which a child may be given a lesson by mother's brother, even parents cannot take side with