銘心鏤骨 míng xīn lòu gǔ

deeply impressed; remember with deep gratitude

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. engraved in one's heart and carved in one's bones (idiom); to remember a benefactor as long as one lives
  2. 2. undying gratitude

Characters

Character Meaning
to engrave; inscribed motto
heart; mind; intention
to carve; to engrave; hard steel
bone