人窮思舊債 [－穷－旧债]

Jyutping jan4 kung4 si1 gau6 zaai3
Pinyin rén qióng sī jiù zhài

Definitions (粵典–words.hk)
  1. 語句
    窮到​冇​乜​辦法​，​諗​返起​借落​畀​人​啲​債​，​想​追數
    to think of debts to others when in poverty