銘心刻骨

Simplified: 铭心刻骨

míngxīnkègǔ ㄇㄧㄥˊ ㄒㄧㄣ ㄎㄜˋ ㄍㄨˇ

    • lit. etched into one's heart and bones (idiom)
    • fig. etched in one's memory remembered with gratitude as long as one lives

Character by character

Sources