厚こう恩おんこうおんじ字FuriganaAudioMeanings1noungreat favor; deep obligationFormal noun expressing profound gratitude for a significant kindness or favor received. Often used in letters, speeches, or formal acknowledgments.ご厚こう恩おんに深ふかく感かん謝しゃいたします。Break this sentence down in the analyzerI am deeply grateful for your great kindness.彼かれの厚こう恩おんは一いっ生しょう忘わすれません。Break this sentence down in the analyzerI will never forget his great favor for the rest of my life.