刻骨铭心 (kè gū) — unforgettable, deeply engraved in one's heart (idiom); often describes profound gratitude, love, or painful memories

Definition

An idiom meaning so deeply felt it seems carved into bone and engraved on the heart — used for profound love, gratitude, or hatred that will never be forgotten. Functions as an adjective; can modify a noun (刻骨铭心的爱情) or be used predicatively.

noun
unforgettabledeeply engraved in one's heart (idiom)often describes profound gratitudeloveor painful memories

Examples

  • 刻骨铭心
    Tā duì wǒ de bāng zhù ràng wǒ kè gū.
    His help to me left an unforgettable impression on my heart.
  • 刻骨铭心
    Nà duàn kè gū de ài qíng jīng lì tā yǒng yuǎn wàng bù liǎo.
    That unforgettable love story he will never forget.
  • 刻骨铭心
    Zhè fèn kè gū de chóu hèn cáng zài xīn dǐ hěn duō nián.
    This deeply engraved hatred was hidden in the heart for many years.

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