Definition

1. Verb:
   • To temper; to forge; to harden: The primary meaning refers to the metallurgical process of heating and then cooling metal (especially steel) to increase its hardness and strength.
   • To temper; to hone; to steel (oneself): Used figuratively to describe the process of strengthening one's character, willpower, or skills through difficult challenges, discipline, and practice.

Usage Examples

• Verb:
  • Thép được tôi rèn để trở nên cứng cáp hơn. (Steel is tempered to become more durable.)
  • Những khó khăn trong quân đội đã tôi rèn ý chí của anh ấy. (The hardships in the military tempered his will.)
  • Cô ấy tôi rèn kỹ năng viết mỗi ngày. (She hones her writing skills every day.)

Advanced Usage

• The term is almost exclusively used in formal, literary, or motivational contexts to describe the positive outcome of enduring hardship or rigorous training. It implies a transformative process that results in greater resilience or ability.

Variants and Related Words

• Tôi luyện (v): A direct synonym, identical in meaning and usage (to temper, to forge, to steel oneself).
  • Anh ấy trải qua quá trình tôi luyện gian khổ. (He went through a grueling tempering process.)

Synonyms

• To temper: To strengthen or toughen.
• To forge: To shape or create, especially through a demanding process.
• To hone: To refine or perfect over time.
• To steel (oneself): To mentally prepare or harden oneself against difficulty.

Related Idioms

• While "tôi rèn" itself is not typically part of a fixed idiom, its meaning is central to many Vietnamese proverbs about strength through adversity.
  • Vàng thử trong lửa, gian nan thử sức. (Gold is tested in fire, hardship tests strength.) This proverb encapsulates the figurative meaning of "tôi rèn."