肝きもに銘めいずる

expression, zuru verb

take to heart; engrave in one's heart; bear in mind firmly

Idiomatic expression meaning to deeply internalize a lesson, warning, or resolution, as if carving it into one's liver (the seat of emotions in traditional Japanese thought). Often used in formal or admonitory contexts.

• 先せん生せいの教おしえを肝きもに銘めいじて、これから努ど力りょくします。

  I will take my teacher's words to heart and work hard from now on.

• 失しっ敗ぱいの経けい験けんを肝きもに銘めいじて、同おなじ過あやまちを繰くり返かえさないようにしよう。

  Let's engrave the experience of failure in our hearts and not repeat the same mistake.