kè​gǔ​míng​xīn

unforgettable

刻骨铭心 (刻骨銘心) kè​gǔ​míng​xīn
unforgettable idiom
etched in one's memory; deeply felt or ingrained in one's heart.

This unforgettable love remains in his memory for a lifetime.

Frequency

Movie subtitles
0.600 per million appears in 0% of films
Written text
4.07 per million

Sources

Definitions
CC-CEDICT