Definition

1. Noun:
   • Hobnail: A short, thick nail with a large, heavy head, traditionally used to reinforce the soles of heavy footwear like clogs or work boots for durability and to provide traction.

Usage Examples

• Noun:
  • Người thợ đóng những chiếc đinh guốc vào đế giày. (The craftsman hammered the hobnails into the shoe sole.)
  • Đế giày bảo hộ thường có đinh guốc để chống trơn trượt. (Safety boot soles often have hobnails to prevent slipping.)

Advanced Usage

• The term can be used metaphorically to describe something that is extremely sturdy, fixed, or undeniable, similar to the English phrase "as solid as a rock."
  • Bằng chứng ấy chắc như đinh guốc. (That evidence is as solid as a hobnail / is irrefutable.)

Variants and Related Words

• Đinh (n): nail (the general term for any metal nail).
• Guốc (n): clog, a type of wooden-soled footwear.

Synonyms

• Hobnail: The direct English equivalent.
• Clog nail: A descriptive synonym.

Related Idioms

• Chắc như đinh đóng cột: An idiom meaning "as sure as nails in a post" or "rock-solid." While it uses the general word for nail ("đinh"), the concept of extreme firmness is closely related to the sturdiness implied by "đinh guốc."