Lang yên

Definition
  1. Noun:
    • Wolf dung smoke: A historical term referring to smoke produced by burning wolf excrement, used in ancient times as a military signal to warn of enemy invasion or war.
Usage Examples
  • Noun:
    • Trên tháp canh, quân lính đốt lang yên để báo động. (On the watchtower, soldiers burned wolf dung smoke to sound the alarm.)
    • Lang yên là một tín hiệu khẩn cấp thời xưa. (Wolf dung smoke was an emergency signal in ancient times.)
Advanced Usage
  • The term is archaic and primarily found in historical or literary texts describing ancient military practices and signaling methods.
Variants and Related Words

  • Khói báo hiệu (n): signal smoke.

    • Khói báo hiệu được dùng để truyền tin. (Signal smoke was used to communicate messages.)

  • Phong hỏa đài (n): beacon tower (often where such signals were sent from).

    • Từ phong hỏa đài, lang yên được đốt lên. (From the beacon tower, wolf dung smoke was lit.)
Synonyms
  • Alarm smoke: smoke used as a warning signal.
  • Beacon smoke: smoke from a signal fire.
Related Idioms
  • Khói lửa binh đao: the smoke and fire of war; a phrase describing the atmosphere of conflict.
    • Khắp vùng biên ải, khói lửa binh đao như được báo trước bởi lang yên. (Across the border region, the smoke and fire of war seemed foretold by the wolf dung smoke.)