mũ sắt

mũ sắt

Pháo thủ đội chiếc mũ sắt để bảo vệ đầu.

Definition
  1. Noun:
    • Steel helmet / Metal helmet: A protective head covering, traditionally made of steel or other metals, worn by soldiers, artillery crews, or workers in hazardous environments to guard against impact, falling objects, or shrapnel.
Usage Examples
  • Noun:
    • Người lính đội sắt. (The soldier wears a steel helmet.)
    • sắt trang bị bắt buộc tại công trường xây dựng. (A metal helmet is mandatory equipment on the construction site.)
    • Chiếc sắt đã bị rỉ sét. (The old steel helmet was rusted.)
Advanced Usage
  • The term can be used metaphorically to imply toughness, protection, or a military mindset.
    • Anh ấy tư duy " sắt", rất kỷ luật cứng nhắc. (He has a "steel helmet" mindset, very disciplined and rigid.)
Variants and Related Words
  • bảo hiểm (n): Helmet. This is the modern, general term for protective helmets (for motorcycles, construction, cycling), which are now typically made from advanced polymers rather than metal.
    • Luật pháp yêu cầu đội bảo hiểm khi đi xe máy. (The law requires wearing a helmet when riding a motorbike.)
Synonyms
  • Combat helmet: A helmet designed specifically for military use.
  • Hard hat: A helmet, typically not made of metal today, worn for industrial safety.
Related Idioms
  • Đầu đội sắt: Literally "to have a head that wears a steel helmet"; used figuratively to describe someone who is stubborn, thick-skulled, or impervious to reason.
    • Nói mãi không nghe, đúng đầu đội sắt. (I've told him repeatedly to no avail; he really has a head of iron.)