nội ứng

Học thuật
Thân thiện
Definition
  1. Noun:
    • A fifth column; a Trojan horse: "nội ứng" refers to a person or group secretly placed within an enemy organization or territory to act from the inside, aiding an external force. It implies betrayal and subversion from within.
Usage
  • Noun:
    • Phát hiện ra kẻ nội ứng ưu tiên hàng đầu của an ninh. (Discovering the fifth column is the top priority for security.)
    • Họ lo sợ nội ứng trong hàng ngũ của mình. (They fear there is a Trojan horse within their ranks.)
Advanced Usage
  • " nội ứng": to have a mole/fifth column inside.
    • Tình báo cho biết địch nội ứng trong thành phố. (Intelligence indicates the enemy has a fifth column inside the city.)
Variants and Related Words
  • Nội công (n): Literally "internal work"; often used in tandem with "ngoại kích" (external attack) to describe a coordinated strategy of internal subversion and external assault. While closely related, "nội ứng" specifically denotes the acting as the internal agent.
  • Gián điệp (n): Spy. A broader term for an espionage agent, which may or may not be a "nội ứng".
  • Phản bội (v/n): To betray / betrayal. Describes the act, while "nội ứng" is the role.
Synonyms
  • Kẻ phản bội bên trong: Internal traitor.
  • Tay trong: Insider (colloquial, can be neutral or negative depending on context).
Related Idioms/Phrases
  • "Nội ứng ngoại hợp": A set phrase meaning "internal response and external collaboration," describing the classic strategy of having inside agents coordinate with an outside force.
    • Chiến lược của họ dựa trên nội ứng ngoại hợp. (Their strategy is based on internal subversion and external collaboration.)
  1. Fifth columnish, Trojan horse