Definition

1. Verb:
   • To rejuvenate oneself: To restore one's youthfulness, vitality, or youthful appearance, often implying a return to a younger state of being or spirit.

Usage Examples

• Verb:
  • Ông ấy tập thể dục và ăn uống lành mạnh để hoàn đồng. (He exercises and eats healthily to rejuvenate himself.)
  • Phương pháp điều trị này được quảng cáo là có thể giúp hoàn đồng. (This treatment is advertised as being able to help one rejuvenate oneself.)

Advanced Usage

• The term "hoàn đồng" is most formally and classically encountered as part of the four-character idiom "cải lão hoàn đồng" (to transform from old to young again; to rejuvenate completely). While "hoàn đồng" can be used independently, it carries this core meaning from the idiom.
  • Giấc mơ cải lão hoàn đồng vẫn là mong ước của nhiều người. (The dream of complete rejuvenation is still the wish of many people.)

Variants and Related Words

• Cải lão hoàn đồng (idiom): To turn old into young again; to achieve complete rejuvenation.
• Trẻ hóa (v): To rejuvenate, to make younger. (Note: This is a more common and general modern term, while "hoàn đồng" has a more classical or literary nuance.)

Synonyms

• Rejuvenate: To make young or youthful again.
• Rejuvenate oneself: To restore one's own youthfulness.

Related Idioms

• Cải lão hoàn đồng: The full idiom meaning "to transform from old age back to youth."

1. (Cải lão hoàn ddo^`ng) Rejuvenate oneself