Definition

1. Noun:

   • A mountain pass or strategic frontier gate: A narrow, often fortified passage through mountains or at a border, historically crucial for defense and control.
   • A critical hurdle, ordeal, or trial: A metaphor for a difficult and decisive challenge or stage in a process that must be overcome.

2. Adjective:

   • Rotten or decayed (organic matter): Describes organic material, especially wood, that has become brittle and fragile due to prolonged exposure to weather.
   • Aerated and friable (soil): Describes cultivated soil that has been plowed and sun-dried to become dry, loose, and crumbly.

3. Verb (limited use):

   • To sun-dry (soil): The act of preparing soil by plowing and exposing it to the sun to achieve an aerated, friable state. Often contrasted with "làm dầm" (puddling for wet rice cultivation).

Usage Examples

• Noun:

  • Quân đội canh giữ ở cửa ải. (The army guards the mountain pass.)
  • Đây là cửa ải quan trọng nhất trong cuộc đời anh. (This is the most important ordeal in his life.)

• Adjective:

  • Khúc gỗ này đã bị ải, rất dễ gãy. (This piece of wood is rotten and breaks easily.)
  • Đất đã được phơi cho ải trước khi gieo hạt. (The soil was sun-dried to become friable before sowing seeds.)

Advanced Usage

• The noun "ải" is often used in historical and literary contexts to refer to famous fortified passes, symbolizing a formidable barrier or checkpoint.
• In modern, figurative use, "cửa ải" (literally "pass gate") is a common phrase meaning a difficult trial or a critical juncture.

Variants and Related Words

• Cửa ải (n): A fortified pass; a major trial or hurdle.

  • Vượt qua cửa ải thi cử. (To overcome the hurdle of exams.)

• Làm ải (v): The agricultural process of sun-drying plowed soil.

  • Nông dân đang làm ải thửa ruộng. (The farmers are sun-drying the field.)

Synonyms

• Noun (Pass): Defile, gorge, frontier gate.
• Noun (Hurdle): Obstacle, trial, test.
• Adjective (Rotten): Decomposed, weathered, brittle.
• Adjective (Soil): Tilthy, crumbly, loose.

Related Idioms

• Vượt ải: To overcome a challenge or pass a difficult test.

  • Cô ấy đã vượt ải phỏng vấn thành công. (She successfully passed the interview hurdle.)

• Ải quan: A frontier pass (a more formal or historical term).

  • Ải Nam Quan là một địa danh lịch sử. (The Nam Quan Pass is a historical landmark.)

noun

1. Pass
   • ải Nam Quan
     Nam Quan pass
   • quân trú phòng ở cửa ải
     troops garrisoned at a fort covering a pass
2. Hurdle, ordeal, trial
   • vượt qua cửa ải cuối cùng
     to overcome the last hurdle

adj

1. Rotten
   • gỗ này đã bị ải
     this wood is rotten
2. Aerated and loose
   • phơi cho ải đất
     to aerate the soil loose