報本反始 [报－－－]

Jyutping bou3 bun2 faan2 ci2
Pinyin bào běn fǎn shǐ

Definitions (CC-CEDICT)
  1. ensure that you pay debts of gratitude (idiom)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）