刻骨铭心 kègǔmíngxīn unforgettable Definitions Defs Origin Strokes Stroke Words Sentences Sents 刻骨 kègǔ deeply engraved deeply felt and unforgettable; ingrained or deep-rooted like something carved into the bones铭心 銘心 míngxīn to imprint on one's mind to engrave in one's heart; to remember forever with gratitude or deep feeling
