hầm ngầm
Definition
- Noun:
- Underground passage; underground tunnel: A man-made, covered passage or gallery constructed beneath the surface of the ground. It is typically used for transportation, utilities, shelter, or military purposes.
Usage Examples
- Noun:
- Thành phố có một hệ thống hầm ngầm phức tạp. (The city has a complex system of underground tunnels.)
- Họ sử dụng hầm ngầm để di chuyển bí mật. (They used an underground passage for secret movement.)
- Đường ống nước được đặt trong hầm ngầm. (The water pipes are laid in an underground gallery.)
Advanced Usage
- The term can be used in military or historical contexts to refer to tunnels used for warfare, escape, or smuggling.
- Những hầm ngầm trong chiến tranh được sử dụng làm nơi trú ẩn. (The underground tunnels during the war were used as shelters.)
Variants and Related Words
- Đường hầm (n): tunnel. A more general term for any tunnel.
- Đường hầm xuyên qua núi. (A tunnel through the mountain.)
- Hầm trú ẩn (n): shelter, bunker. Specifically an underground shelter for protection.
- Hầm trú ẩn khẩn cấp. (An emergency bunker.)
Synonyms
- Tunnel: An artificial underground passage.
- Subterranean passage: A formal term for an underground way.
- Gallery: A long, narrow underground space, often for mining or military use.
Related Idioms
- While "hầm ngầm" itself is not typically part of a common idiom, it is conceptually related to activities done in secret or beneath the surface.
- Hành động ngầm: to act covertly or underground (figuratively).