míng​xīn​kè​gǔ

grateful

铭心刻骨 (銘心刻骨) míng​xīn​kè​gǔ
grateful expression
remembered with deep gratitude for the rest of one's life
unforgettable idiom
etched in one's memory; deeply felt and indelible

Frequency

Movie subtitles
0.030 per million appears in 0% of films
Written text
0.182 per million

Sources

Definitions
CC-CEDICT