speed; velocity; rate of motion or progress

speedy; fast; prompt; (occurring) without delay

fast; high-speed; rapid

moving or operating at a high rate of speed; fast-paced

to increase in speed; to move faster

expressway; highway; freeway; motorway

(physics) distance an object moves over a unit of time regardless of direction; magnitude of velocity

to reduce speed; to decelerate

swiftly; rapidly; moving or progressing at an extremely high speed

the speed or distance traveled by a moving object in one hour

very fast; at high speed; hurriedly; rapidly

the speed at which a vehicle travels; commonly measured in kilometers or miles per hour

the speed at which light waves travel, approximately 300,000 kilometers per second in a vacuum

The speed at which an object rotates, often measured in revolutions per minute.

as quickly as possible; with extreme urgency; posthaste

highway or expressway; often used as an informal short form of [[高速公路|高速公路|gao1 su4 gong1 lu4]]

to exceed the speed limit; to travel at a speed higher than what is allowed or normal

supersonic speed; the movement of an object at a speed greater than the speed of sound in air (approximately 340 meters per second)

full, maximum, or top speed; at full speed

gearbox; transmission; a gear device used to change the speed or direction of movement in vehicles and machinery

to change speed or shift gears; variable-speed

to make a fast decision or reach a prompt resolution

the distance a fluid flows within a unit of time; flow speed; rate of flow

wind speed; wind velocity; the distance air moves in a specific amount of time

low speed; slow velocity

(abbreviation) speed skating; a competitive ice skating sport where participants are judged based on their speed over various distances

high speed; high velocity

the rate at which an object changes its velocity over time; common units include meters per second squared (m/s²) and centimeters per second squared (cm/s²)

at lightning speed; incredibly rapid; having an unexpected or amazing pace of development

to deliver or transmit items or information rapidly

to use specialized equipment to freeze food very quickly to keep it fresh

(idiom) an uninvited or unexpected guest; someone who arrives without being summoned; literally "a guest who has not been invited"

(bound form) related to an accelerated program or a crash course; specifically used to describe training or education completed in a short time

A device used to increase the speed and energy of particles, such as a particle accelerator; also used in computing to speed up processes.

rapidly achieved results or effectiveness

the maximum speed allowed on a road or for a vehicle; a restricted speed limit

as soon as possible; without delay; with dispatch

quick-dissolving; instantly-ready; used to describe food or drinks that dissolve quickly in liquid

to grow or mature at a fast rate; fast-growing

To adjust or regulate the speed of a motor, engine, or vehicle

The speed at which sound waves travel through a medium; also referred to as [[声速|聲速|sheng1 su4]]

a quick sketch in drawing; a method of drawing that uses simple lines to capture a subject's form or movement in a short amount of time

the speed of a ship or aircraft while in transit

low speed; slow; idling

an extremely high speed; superspeed; ultra-high speed

Too fast; exceeding normal or safe speed.

(idiom) to fight a quick battle to force a quick decision; to settle a matter or finish a task as quickly as possible

constant speed of an object moving in a single direction

shorthand; stenography; the act of using a system of symbols to record speech quickly