Definition

1. Noun:
   • Chinstrap: A strap or band that passes under the chin to secure a hat, helmet, or other headgear in place.
   • Hatband: A decorative or functional band, often made of fabric or leather, that encircles the base of a hat's crown.

Usage Examples

• Noun:
  • Anh ấy siết chặt dải mũ của chiếc mũ bảo hiểm trước khi đi xe máy. (He tightened the chinstrap of his helmet before riding the motorbike.)
  • Chiếc mũ phớt có một dải mũ bằng lụa màu đen rất đẹp. (The fedora has a very nice black silk hatband.)

Advanced Usage

• "dải mũ bảo hiểm": helmet chinstrap.
  • Dải mũ bảo hiểm phải được cài đúng cách để đảm bảo an toàn. (The helmet chinstrap must be fastened correctly to ensure safety.)

Variants and Related Words

• Quai mũ (n): This is a more common and general term for a hat's chin strap or tie. It is often used interchangeably with "dải mũ" but can specifically imply the part that goes under the chin.
• Vành mũ (n): Brim of a hat (a different part of the hat).

Synonyms

• Dây cằm: Literally "chin string/strap", a descriptive synonym for a chinstrap.
• Băng mũ: Literally "hat band", a close synonym for a decorative hatband.

Related Phrases

• Cài dải mũ: to fasten the chinstrap/hatband.
  • Nhớ cài dải mũ kẻo gió thổi bay mất. (Remember to fasten the hatband or the wind might blow it away.)