gun

/ɡʌn/ (bre, ipa) · /ɡʌn/ (ame, ipa) · /ˈgən/ (ame, mw)

gun — noun

  • gunsingular
  • gunsplural

1. a weapon that fires bullets or explosive shells through a metal tube, used for h

1.名詞B1
釋義

a weapon that fires bullets or explosive shells through a metal tube, used for hunting, sport shooting, or as a tool of violence

例句

The hunter cleaned his gun carefully after each hunting trip.

collocation: clean a gun

Christopher keeps his gun in a locked safe at home.

collocation: keep a gun in a safe

同義詞
  • firearm

    formal term covering any gun, rifle, or pistol; used in legal and official contexts

  • handgun

    a small gun designed to be held and fired with one hand

  • rifle

    a long gun with a grooved barrel, fired from the shoulder

  • shotgun

    a gun with a smooth barrel that fires many small pellets at once

用法筆記

Subject is often a person who owns, uses, or carries the weapon. In many countries, gun ownership is strictly regulated by law.

常見錯誤

He shot a gun to the bird.
He shot a bird with a gun.
💡you shoot the target with a gun, not the gun itself as the direct object of 'shoot' when referring to the target.

2. a special pistol that fires a loud bang to give the starting signal in sports li

2.名詞B2
釋義

a special pistol that fires a loud bang to give the starting signal in sports like running races or swimming competitions

例句

The runners waited nervously for the starter's gun to fire.

collocation: starter's gun

Élise heard the gun and began to sprint towards the first hurdle.

collocation: hear the gun

同義詞
  • starting pistol

    the specific handheld device used in official races to fire the starting signal

3. a handheld device that pushes a substance or a small item out through a nozzle b

3.名詞B2
釋義

a handheld device that pushes a substance or a small item out through a nozzle by applying force, for example grease, paint, or water

例句

The mechanic used a grease gun to oil the old machine's joints.

collocation: grease gun

Andrés picked up the paint gun and sprayed the wall in even strokes.

collocation: paint gun

同義詞
  • spray gun

    the most common alternative name; often used for painting and cleaning equipment

  • nozzle gun

    a specific type of spray tool with an adjustable nozzle tip

4. a person who receives money to shoot a person chosen by someone else, often as p

4.名詞C1
釋義

a person who receives money to shoot a person chosen by someone else, often as part of criminal activity

例句

The detective believed a hired gun had been brought in from the neighbouring city.

collocation: hired gun

Two men were arrested on suspicion of working as guns for the crime syndicate.

同義詞
  • assassin

    a more formal term for a person who kills for political or financial reasons

  • hitman

    informal, specifically a male killer hired by a criminal organization

  • killer for hire

    a descriptive phrase emphasizing the commercial nature of the act

用法筆記

Commonly used in the compound 'hired gun'. This sense often appears in crime fiction, news reports, and detective stories.

常見錯誤

The assassin used a gun to kill the target.' (ambiguous — this sentence could mean either a weapon or a person).
The assassin was a hired gun brought in from overseas.
💡avoid confusing the person sense with the weapon sense by adding context.

5. an outside specialist hired by a company to do a specific job that its own staff

5.名詞C1
釋義

an outside specialist hired by a company to do a specific job that its own staff cannot handle

例句

The company brought in a high-priced gun to fix the failing software project.

collocation: bring in a gun

Lien worked as a gun for several start-ups that needed quick results.

同義詞
  • freelance specialist

    neutral and formal, carries no criminal connotation

  • consultant

    standard business term for an outside expert brought in for advice

  • contractor

    a person hired on a short-term basis to complete a specific job

用法筆記

This sense extends from the hired-killer meaning. It is almost always informal and used in business or technical contexts. The compound 'hired gun' is more common than 'gun' alone for this sense.

6. an informal term for a person's arms when they are noticeably large and muscular

6.名詞C1
釋義

an informal term for a person's arms when they are noticeably large and muscular from exercise

例句

The bodybuilder showed off his guns at the competition.

informal: show off your guns

Zola's guns were so big that the sleeves of her shirt were tight.

同義詞
  • biceps

    the formal anatomical term for the front upper-arm muscle

  • arms

    neutral term; 'guns' carries a stronger connotation of size and strength

用法筆記

Almost always used in the plural ('guns'). Very informal — appropriate in gym talk or casual conversation, but not in formal writing.

常見錯誤

He has a big gun on his right arm.
He has big guns.
💡always use the plural form 'guns' for this sense; the singular 'gun' would be understood as a weapon.

gun — verb