Definition

1. Noun:
   • Thread, strand: A long, thin, flexible structure, typically made by twisting together fibers (like cotton, silk, or synthetic material) for use in sewing, weaving, or knitting.
   • Fiber, filament: Any long, thin, and often flexible natural or synthetic structure, such as a muscle fiber, a glass fiber, or the filament in a light bulb.
   • (Classifier): A word placed before certain nouns to denote a single, thin, strand-like instance of that object (e.g., a single hair, a single string).

Usage Examples

• Noun:
  • Chị ấy mua một cuộn sợi màu đỏ để may áo. (She bought a spool of red thread to sew a dress.)
  • Vải này được dệt từ sợi cotton tự nhiên. (This fabric is woven from natural cotton fibers.)
  • Chỉ còn một sợi dây duy nhất nối chiếc thuyền với bờ. (There's only one strand of rope connecting the boat to the shore.)
  • Một sợi tóc bạc xuất hiện trên đầu anh ấy. (A single white hair appeared on his head.)

Advanced Usage

• "sợi chỉ": sewing thread. This is a common compound specifying thread for sewing.
  • Tôi cần kim và sợi chỉ để khâu cúc áo. (I need a needle and thread to sew the button.)
• "sợi dây": string, cord. This compound refers to a thin rope or cord.
  • Hãy buộc gói hàng bằng sợi dây này. (Please tie the package with this string.)

Variants and Related Words

• Sợi tóc (n): A single strand of hair.
• Sợi dây (n): A string, cord, or thin rope.
• Sợi chỉ (n): Sewing thread.
• Sợi cơ (n): Muscle fiber.
• Sợi thủy tinh (n): Fiberglass.
• Sợi tổng hợp (n): Synthetic fiber.
• Sợi nịt (n): Elastic (for clothing).

Synonyms

• Chỉ (n): Thread (often specifically for sewing).
• Dây (n): String, rope, cord (generally thicker or more generic than "sợi").
• Tơ (n): Silk thread; filament.
• Filament (n): Filament (technical term, often for bulbs or biology).

Related Phrases / Idioms

• Mảnh như sợi chỉ: As thin as a thread; very thin and frail.
  • Sau trận ốm, bà cụ trở nên mảnh như sợi chỉ. (After the illness, the old woman became as thin as a thread.)
• Buông sợi tơ hồng: (Literally: to drop the red silk thread) A poetic idiom referring to matchmaking, based on a myth about a deity who ties couples together with a red thread.
  • Có lẽ ông Tơ bà Nguyệt đã buông sợi tơ hồng cho hai người họ. (Perhaps the matchmaking deities have tied the red thread of fate for the two of them.)

noun

1. thread fibre