速 (sù) - fast, quick, rapid & speed, velocity

速Tone 4

sù ｜ 10 strokes ｜ radical: 辵

树檀

速 · sù

fast, quick, rapid;

speed, velocity;

to invite, to hasten

fast, quick, rapidspeed, velocityto invite, to hasten

Usage highlights

speedexpress deliveryquicklyaccelerationvelocityspeed limit

Synonyms

  • 快— fast, quick
  • 迅— swift, rapid
  • 急— urgent, hurried

Antonyms

  • 慢— slow
  • 缓— gradual, leisurely
  • 迟— late, delayed

Usage & contexts

Examples

  • The train travels at high speed (高速).
  • Please reply quickly (速回).
  • Express delivery service (快递服务).
  • He accelerated the car (加速).

Collocations

  • speed(速度)
  • express delivery(快递)
  • quickly(迅速)
  • acceleration(加速)
  • velocity(速率)
  • speed limit(限速)

Idioms

  • Quick-witted and eloquent(速战速决)
  • Act promptly without delay(不速之客)
  • Make haste slowly(欲速则不达)
  • Swift as wind(风驰电掣)

Cultural background

FAQ
  • In Chinese culture, speed is often associated with efficiency and progress, but also carries warnings about haste making waste.
  • The character appears in many modern technological terms related to transportation and communication.
  • In classical texts, 速 often appears in contexts warning against excessive haste and advocating careful planning.

FAQ