人老精鬼老靈 [－－－－－灵]

Jyutping jan4 lou5 zeng1 gwai2 lou5 leng4
Pinyin rén lǎo jīng guǐ lǎo líng

Definitions (CC-CANTO)
  1. The grown up/seniors might have thought things thoroughly because they have experienced lots in their lives
Definitions (粵典–words.hk)
  1. x