Definition

1. Noun:

   • Shop; Store: A place where goods are sold or services are provided. This is a common term for a commercial establishment.
   • Sign; Signal; Mark: A distinctive object, symbol, or sound that conveys information, gives a warning, or serves as an indication.
   • Style Name; Pseudonym: An alternative name, often artistic or literary, used by a person in addition to their real name.

2. Noun (Mathematics):

   • Difference: The result obtained from subtracting one number from another.

Usage Examples

• Noun (Shop):

  • Tôi mua bánh mì ở hiệu bánh gần nhà. (I buy bread at the bakery near my house.)
  • Hiệu sách đó rất lớn. (That bookstore is very large.)

• Noun (Sign/Signal):

  • Đèn hiệu màu đỏ báo nguy hiểm. (The red signal light indicates danger.)
  • Anh ấy ra hiệu cho chúng tôi dừng lại. (He gave us a signal to stop.)

• Noun (Style Name):

  • Nhà thơ Nguyễn Du có hiệu là Tố Như. (The poet Nguyễn Du had the style name Tố Như.)

• Noun (Mathematics):

  • Hiệu của 10 và 7 là 3. (The difference between 10 and 7 is 3.)

Advanced Usage

• "hiệu lệnh": command signal, order.

  • Người chỉ huy ra hiệu lệnh tấn công. (The commander gave the attack order.)

• "hiệu ứng": effect (often used in contexts like special effects, social or psychological effects).

  • Bộ phim có hiệu ứng hình ảnh rất đẹp. (The movie has very beautiful visual effects.)

Variants and Related Words

• Hiệu sách (n): bookstore.
• Hiệu thuốc (n): pharmacy, drugstore.
• Nhãn hiệu (n): brand, trademark.
• Báo hiệu (v): to signal, to warn.
• Dấu hiệu (n): sign, symptom.

Synonyms

• Shop/Store: cửa hàng, tiệm.
• Sign/Signal: dấu hiệu, tín hiệu.
• Difference (Math.): kết quả trừ.

Related Idioms

• "Nổi tiếng như cồn" (lit. "famous like a distillery"): This idiom sometimes references a well-known shop/brand ("hiệu"), meaning to be very famous or popular.
  • Quán cà phê ấy giờ nổi tiếng như cồn. (That coffee shop is now hugely famous.)

noun

1. shop; store
   • hiệu sách
     book shop sign; signal; mark
   • chuông báo hiệu
     signal bell
   • nhãn hiệu
     trade-mark