Definition

1. Verb:
   • To reduce speed; to slow down: The action of decreasing the velocity or pace of a moving object, vehicle, or process.
   • To decelerate: A more technical term for reducing speed, often used in physics or engineering contexts.

Usage Examples

• Verb:
  • Tài xế phải giảm tốc khi đến gần trường học. (The driver must slow down when approaching a school.)
  • Máy bay bắt đầu giảm tốc để chuẩn bị hạ cánh. (The plane began to decelerate to prepare for landing.)
  • Công ty quyết định giảm tốc sản xuất do nhu cầu thị trường giảm. (The company decided to slow down production due to decreased market demand.)

Advanced Usage

• "giảm tốc độ": This is a more explicit variant meaning "to reduce speed." While "giảm tốc" is common, "giảm tốc độ" specifies the reduction of "speed" (tốc độ).

  • Biển báo yêu cầu mọi phương tiện giảm tốc độ. (The sign requires all vehicles to reduce their speed.)

• Used in Imperative/Instructional Contexts: Often seen on traffic signs or in safety manuals.

  • Giảm tốc! Đoạn đường nguy hiểm. (Slow down! Dangerous road section.)

Variants and Related Words

• Giảm tốc độ (v): To reduce speed. (A more formal or explicit synonym).
• Hãm tốc (v): To brake; to slow down by applying brakes. (Implies using a braking mechanism).
• Giảm dần tốc độ (v): To gradually reduce speed.
• Sự giảm tốc (n): Deceleration; the act or process of slowing down.
  • Sự giảm tốc đột ngột có thể gây nguy hiểm. (Sudden deceleration can be dangerous.)

Synonyms

• Chậm lại: To become slow/slower.
• Đi chậm lại: To go more slowly.

Related Phrases (Phrasal Verbs)

Note: As a single verb, "giảm tốc" does not commonly form phrasal verbs in the same way English verbs do. Its meaning is typically contained within the single term.

Related Idioms

• "Giảm tốc để tăng tốc": To slow down in order to speed up later. This idiom suggests taking a strategic pause or preparing carefully for greater future efficiency or success.
  • Đôi khi trong kinh doanh, bạn cần giảm tốc để tăng tốc. (Sometimes in business, you need to slow down in order to speed up later.)

1. Reduce speed;slow down