tool

tool — noun

1. A handheld object like a hammer, screwdriver, or saw that people use to build, f

1.名詞A2
釋義

A handheld object like a hammer, screwdriver, or saw that people use to build, fix, or reshape materials.

例句

Owen picked up a heavy tool and began breaking the old concrete wall.

pick up + tool; tool + for physical work

The simplest tool in a carpenter's kit is a tape measure.

同義詞
  • implement

    more formal; often used for farming or specialized manual work

  • instrument

    suggests precision or scientific use rather than general handwork

  • utensil

    mainly for kitchen or eating items, not general hand tools

文法句型

a/an + tool

possessive + tool(s)

tool + for + noun/gerund

用法筆記

Countable noun. Frequently used with a possessive or a descriptive noun (gardening tool, kitchen tool).

常見錯誤

I bought a new tool for cooking — a frying pan.
I bought a new pan for cooking.
💡'tool' sounds unnatural for everyday kitchen items; use 'utensil' or the specific item name instead.

2. Any method, system, or piece of software that helps you achieve a specific resul

2.名詞B1
釋義

Any method, system, or piece of software that helps you achieve a specific result or do a type of work more easily.

例句

Valentina uses the dictionary as a tool for learning new languages.

tool + for + gerund

The internet is a powerful tool for finding information quickly.

同義詞
  • aid

    broader; an aid can be a person or object that helps

  • resource

    emphasises availability and supply rather than active use

  • means

    more formal; focuses on the method rather than the helpfulness

文法句型

tool + for + noun/gerund

tool + to + infinitive

用法筆記

Subject is often abstract (the internet, language, data). Preposition 'for' introduces the purpose.

常見錯誤

A hammer is a tool for hitting nails.' (correct but this sense is about abstract methods, not physical objects)
Feedback is a useful tool for improving your writing.
💡Use this sense for ideas, systems, or software, not physical hand tools.

3. The specific equipment, instruments, or skills that a person needs to do their j

3.名詞B2
釋義

The specific equipment, instruments, or skills that a person needs to do their job properly.

例句

A good camera and editing software are the basic tools of a photographer's trade.

set phrase: tools of the trade

Yael keeps all her sculpting tools in a leather roll for the studio.

同義詞
  • equipment

    broader; includes larger machinery, not just handheld items

  • gear

    informal; covers all items needed for an activity

  • kit

    a collection of tools kept together for a specific purpose

文法句型

tools of the trade

用法筆記

The set phrase 'tools of the trade' can refer to both physical items and abstract skills. The singular form is rare in this sense.

常見錯誤

❌ 'A hammer is a tool of the trade for construction workers.' (correct but too obvious) — This phrase is most natural when listing things that define a profession, especially non-obvious items.

4. A person whose actions are directed by someone else, often used to carry out dis

4.名詞C1
釋義

A person whose actions are directed by someone else, often used to carry out dishonest or unpleasant tasks on behalf of that person.

例句

The politician used his assistant as a tool to spread false rumours about the opponent.

passive: used as a tool

Rania felt like a tool after doing all the dirty work without getting any credit.

同義詞
  • pawn

    stronger sense of being sacrificed or used against one's will; from chess

  • puppet

    emphasises being visibly controlled by another person

  • cat's paw

    idiom for someone tricked into doing something dangerous

反義詞
  • mastermind

    the person who does the controlling, not the one being controlled

文法句型

a tool + of + person/group

be + (just) + a tool

用法筆記

Always pejorative. The person being called a tool is seen as weak or foolish for letting themselves be controlled. Stronger than 'follower' or 'assistant'.

常見錯誤

My friend is a tool because she helps me clean the house.
The weak minister was a tool of the dictator.
💡This sense implies exploitation or manipulation, not ordinary help.

5. A coarse, vulgar word for the male sexual organ.

5.名詞
釋義

A coarse, vulgar word for the male sexual organ.

例句

The crude comedian made too many jokes about his tool on stage last night.

vulgar slang register; third-person reference

Some immature teenagers giggle whenever anyone says the word tool in a biology class.

同義詞
  • dick

    the most common vulgar term; very frequent in casual speech

  • cock

    also vulgar; considered stronger/ more aggressive than 'dick'

  • penis

    the neutral medical term; always appropriate

文法句型

the/one's + tool

用法筆記

Highly offensive in most contexts. Avoid in formal, academic, or polite conversation. The slang term 'dick' is more common; 'tool' sounds somewhat dated.

常見錯誤

Using this word in a formal medical paper.
Use 'penis' in medical or formal contexts.

6. A rude word for someone you strongly dislike or think is very stupid.

6.名詞
釋義

A rude word for someone you strongly dislike or think is very stupid.

例句

After he accidentally broke the window, the other kids called him a tool.

pattern: call + someone + a tool

Online commenters called the referee a tool for making that bad call.

同義詞
  • idiot

    stronger; focuses purely on lack of intelligence

  • jerk

    focuses on rude or unpleasant behaviour rather than stupidity

  • moron

    similar level of offensiveness; clinical origin

文法句型

be + a + tool

call + someone + a + tool

用法筆記

Mildly offensive but common in casual speech among young people. 'Tool' here implies the person is not only stupid but also annoying or socially awkward. Less harsh than 'idiot' but more dismissive than 'fool'.

常見錯誤

He forgot my birthday, what a tool.
He forgot my birthday, what a jerk.
💡'tool' implies stupidity and social awkwardness, not just thoughtlessness.

tool — verb