刻骨铭心 Traditional 刻骨銘心 kè gǔ míng xīn 🔊 lit. carved in bones and engraved in the… + Keep this word Meanings kè gǔ míng xīn 刻骨銘心 lit. carved in bones and engraved in the heart (idiom)fig. etched in one's memoryunforgettable Its characters 刻kèquarter (hour)HSK 3骨gǔbone铭míngto engrave心xīnheartHSK 4