刻 ㄎㄜ ˋ kè 骨 ㄍㄨ ˇ gǔ 铭 ㄇㄧㄥ ˊ míng 心 ㄒㄧㄣ xīn 刻 ㄎㄜ ˋ kè 骨 ㄍㄨ ˇ gǔ 銘 ㄇㄧㄥ ˊ míng 心 ㄒㄧㄣ xīn lit. carved in bones and engraved in the heart (idiom) fig. etched in one's memory unforgettable