Definition

1. Adjective:
   • Closed, self-contained: Describes a system, space, or entity that is complete within itself, with limited or no external interaction or openings. It often implies being shut off from the outside.
   • Sealed, shut: Describes something that is physically closed or fastened.

Usage Examples

• Adjective:
  • Căn hộ khép kín có đầy đủ tiện nghi như bếp và phòng tắm riêng. (A self-contained flat has full amenities like a private kitchen and bathroom.)
  • Cô ấy sống một cuộc sống khép kín, ít giao tiếp với hàng xóm. (She lives a closed-off life, rarely interacting with neighbors.)
  • Sau cuộc họp, cửa phòng được khép kín lại. (After the meeting, the door was shut closed.)

Advanced Usage

• "Hệ thống khép kín": A closed system (e.g., in engineering, ecology).
  • Vũ trụ có thể được xem như một hệ thống khép kín. (The universe can be considered a closed system.)
• "Tính cách khép kín": A reserved or introverted personality.
  • Anh ấy có tính cách khép kín nên rất ít bạn. (He has a reserved personality, so he has very few friends.)

Variants and Related Words

• Khép (verb): to close (e.g., a door, a book, one's eyes).
  • Cô ấy khép cửa lại nhẹ nhàng. (She closed the door gently.)
• Đóng kín (adjective/phrase): shut tight, sealed.
  • Chiếc hộp được đóng kín. (The box was sealed shut.)

Synonyms

• Kín đáo: discreet, private (often for behavior or information).
• Biệt lập: isolated, secluded (emphasizing physical separation).
• Tự túc: self-sufficient (emphasizing not needing external help).

Related Phrases

• Sống khép kín: to live a secluded/withdrawn life.
  • Người nghệ sĩ ấy sống khép kín trong ngôi nhà trên núi. (That artist lives a secluded life in a mountain house.)
• Khép kín cửa lòng: to close one's heart (to be emotionally withdrawn).
  • Sau khi tan vỡ, cô ấy khép kín cửa lòng. (After the breakup, she closed her heart.)

Related Idioms

• Khép lại quá khứ: to close the past (to move on from past events).
  • Đã đến lúc khép lại quá khứ và hướng tới tương lai. (It's time to close the past and look toward the future.) (Note: This idiom uses "khép lại," a phrasal verb form of "khép," and is included here due to its conceptual and structural closeness to "khép kín.")

1. Closed, self-contained
   • Căn hộ khép kín
     A self-contained flat