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Jyutping lung4 sang1 lung4 , fung6 sang1 fung6 , lou5 syu2 dik1 ji4 zi2 wui5 daa2 dung6
Pinyin lóng shēng lóng , fèng shēng fèng , lǎo shǔ de ér zi huì dǎ dòng

Definitions (Wiktionary)
  1. proverb, of behavior
    like father, like son