gun

• 一种利用爆炸力从金属管中发射弹丸（通常是子弹）的武器。也可泛指任何火器。

A noun referring to a weapon that uses explosive force to propel a projectile, typically a bullet, from a metal tube.

1. A2formal

   A weapon that shoots bullets or shells through a metal tube.

   枪

   • The police officer carried a gun in his holster.
   • Hunters use a gun to shoot game.
   • He was arrested for possessing an illegal gun.

   同义词firearmpiecerodshooter

2. ToolB1formal

   A device that uses pressure to force out a substance, like a glue gun or spray gun.

   工具

   • She used a glue gun to attach the decorations.
   • The painter used a spray gun to apply the paint evenly.
   • A staple gun is useful for upholstery projects.

   同义词applicatordispenserejectorinjectorsprayer

3. Starting deviceB1formal

   A device used to start a race, typically firing a blank cartridge.

   发令枪

   • The starter fired the gun to begin the race.
   • The runners waited for the sound of the starting gun.
   • The official raised the gun to signal the start.

• 动词，指猛踩油门使发动机转速骤增或车辆加速，也指用枪射击某人。

A verb meaning to accelerate an engine or vehicle suddenly, or to shoot someone with a gun.

1. To accelerate quicklyB2informal

   To suddenly increase the speed of a vehicle, especially by pressing the accelerator pedal hard.

   猛踩油门

   • He gunned the engine and sped off down the street.
   • The driver gunned the motorcycle to overtake the truck.
   • She gunned the car through the yellow light.

   同义词accelerateflooropen upracerevspeed upstep on it

   反义词brakedecelerateslow

2. To shoot with a gunB2informal

   To shoot someone or something using a firearm.

   枪击

   • The robber gunned down the security guard.
   • He was gunned in the street during the gang fight.
   • The hunter gunned the deer with a single shot.

   同义词blastdrillfireplugpoppumpriddleshoot

短语动词变体gun down