銘記

1. Origins, structure, and basic meaning

• Structure: 銘記 is read めいき and means remembering an important lesson or principle firmly.
• Basic usage: It is used for keeping a lesson from failure and a safety-first principle firmly in mind.

2. Common pitfalls and similar expressions

• Keeping a lesson in mind
  • 教訓を銘記し means keeping a lesson firmly in mind before applying it to the next action.
• Taking a principle to heart
  • 原則を銘記した describes taking an important principle to heart.