反ㄈㄢˇ哺ㄅㄨˇfǎnbǔ

  1. 烏鴉長大後會銜食餵哺母鴉。比喻子女長成後當奉養父母。例 「慈烏反哺，令人感動」。

英to support one's parents in their old age, to show filial piety, to to repay, to return a favor