Daily Chinese Idiom Guessing Game
To be engraved on one's heart and bones; unforgettable and deeply cherished.
铭刻在心灵深处。形容记忆深刻，永远不忘。
唐·李白《上安州李长史书》深荷王公之德，铭刻心骨。”
The teacher's kindness was engraved on my heart like an indelible mark.