hầm mìn

Quân đội đào một hầm mìn bên dưới bức tường thành.

Definition

1. Noun:
   • Mine chamber / Mine gallery: A tunnel, cavity, or underground excavation dug beneath a fortification, enemy position, or obstacle for the purpose of placing explosives to destroy it from below.
   • Mine (in historical military context): Refers to the entire system or tactic of using such an excavated tunnel filled with explosives.

Usage Examples

• Noun:
  • Quân đội đào một hầm mìn bên dưới bức tường thành. (The army dug a mine chamber beneath the castle wall.)
  • Vụ nổ hầm mìn đã phá hủy một phần pháo đài. (The mine explosion destroyed part of the fortress.)
  • Đây là khu vực cấm vì có thể còn hầm mìn từ thời chiến tranh. (This is a restricted area because there may still be mines from the war period.)

Advanced Usage

• The term is primarily historical and military, associated with siege warfare (e.g., medieval castles, World War I trench warfare). In modern contexts, it is mostly found in historical texts, museums, or discussions of military history.
• It can sometimes be used metaphorically to describe a hidden, subterranean, or deeply buried danger.

Variants and Related Words

• Bom mìn (n): A general term for mines (explosive devices), typically referring to landmines or naval mines, not specifically tunnel-based ones.
  • Khu vực này đã được rà phá bom mìn. (This area has been cleared of landmines.)
• Đặt mìn (v): To lay or plant a mine (often a landmine or naval mine).
  • Địch đã đặt mìn trên con đường này. (The enemy laid mines on this road.)

Synonyms

• Mine (in the historical siege context).
• Undermine (as a verb for the tactic).
• Explosive charge (referring to the explosive itself within the chamber).

Related Idioms

• Nổ như hầm mìn: To explode like a mine; used figuratively to describe a sudden, violent outburst of anger or emotion.
  • Ông ấy tức giận và nổ như hầm mìn. (He got angry and exploded like a mine.)