wheels

wheels — noun

1. a round object that turns on a central rod (called an axle); it is fitted under

1.名詞A2
釋義

a round object that turns on a central rod (called an axle); it is fitted under vehicles, carts, or machines so that they can move.

例句

The front wheel of Ingrid's bicycle got stuck in a deep crack on the road.

A lorry with eight wheels rolled past the school gates at noon.

countable + number: [number] wheels

同義詞
  • disc

    a flat, round shape, not necessarily used for movement

  • roller

    a cylinder that rolls, not a spoked wheel

文法句型

wheel of [vehicle]

[adjective] wheel

on wheels

用法筆記

When talking about a vehicle's set of wheels, the plural 'wheels' is usually used (e.g., 'the car's wheels'). The singular 'wheel' refers to one individual round part.

常見錯誤

The wheel of my bicycle are flat.
The wheels of my bicycle are flat.
💡use the plural when referring to both wheels.

2. having wheels fitted underneath so that an object can be pushed or pulled along

2.名詞A2
釋義

having wheels fitted underneath so that an object can be pushed or pulled along a surface instead of being carried.

例句

The hospital bed is on wheels, so the nurses can move it between rooms easily.

phrase pattern: [object] + is/are on wheels

Dahlia bought a large suitcase on wheels for her trip to Japan.

文法句型

[noun] on wheels

用法筆記

This sense only appears in the phrase 'on wheels' following a noun — it is not used alone to describe a single object (e.g., 'a wheels table' is incorrect).

常見錯誤

a wheels chair
a chair on wheels
💡put 'on wheels' after the noun, not before it.

3. a round control found in cars and other road vehicles; the person driving holds

3.名詞B1
釋義

a round control found in cars and other road vehicles; the person driving holds it and rotates it to change which direction the vehicle goes.

例句

Jack gripped the wheel tightly as he drove down the narrow mountain road.

Amani asked her brother to take the wheel so she could check the map.

idiom: take the wheel = start driving

同義詞

文法句型

the wheel

take the wheel

behind the wheel

用法筆記

In this sense, 'wheel' is almost always singular (the wheel). The plural 'wheels' would not be used for this meaning, except when talking about multiple vehicles' steering wheels.

常見錯誤

He fell asleep on the wheels.
He fell asleep at the wheel.
💡use 'at the wheel' or 'behind the wheel', not 'on the wheels.'

4. a large wheel fitted on a ship or boat, used by the captain or a crew member to

4.名詞B1
釋義

a large wheel fitted on a ship or boat, used by the captain or a crew member to steer and decide which way the vessel goes.

例句

The captain stood at the wheel and guided the ship through the narrow channel.

idiom: at the wheel = steering the boat

Constanza turned the ship's wheel hard to starboard to avoid the floating ice.

同義詞
  • helm

    the technical nautical term for the steering apparatus of a ship

文法句型

the wheel

at the wheel

用法筆記

This sense is specific to boats and ships. For land vehicles, use sense 3 (STEERING WHEEL). The phrase 'at the wheel' can be used for both a ship's wheel and a car's steering wheel.

5. a car or other wheeled road vehicle, especially when referred to in a casual or

5.名詞B1
釋義

a car or other wheeled road vehicle, especially when referred to in a casual or admiring way; the word 'wheels' alone can stand for a person's car in informal slang.

例句

Linh saved money for two years before she could afford her own wheels.

Nice wheels, man! Is that the new electric model from Tesla?

informal exclamation: 'Nice wheels!'

同義詞
  • car

    the standard term; 'wheels' is informal slang

  • ride

    another informal term for a vehicle, often a car

文法句型

possessive + wheels

nice wheels

用法筆記

The word is always plural in this sense. Speakers use 'wheels' casually to refer to a car they own, admire, or need. Context makes clear whether 'wheels' means a car (most common) or another vehicle.

常見錯誤

I bought a new wheel yesterday.' (meaning a car)
I bought new wheels yesterday.
💡the plural form is fixed for this meaning.

6. a bicycle — a two-wheeled vehicle that a person rides by pushing pedals with the

6.名詞A2
釋義

a bicycle — a two-wheeled vehicle that a person rides by pushing pedals with the feet.

例句

Sivan rides her wheels to the university campus every morning.

The old green wheels in the garage need new tires and a longer chain.

describing a bicycle as 'wheels'

同義詞
  • bike

    the most common informal alternative to 'bicycle'

文法句型

ride wheels

on wheels

用法筆記

This informal use of 'wheels' for a bicycle overlaps with sense 5 (CAR). Context usually disambiguates: if someone says 'I ride my wheels to school', they mean a bicycle, not a car.

7. a spinning disk with numbered slots used in the gambling game of roulette; playe

7.名詞B1
釋義

a spinning disk with numbered slots used in the gambling game of roulette; players bet on where a small ball will land as the wheel slows down.

例句

The croupier spun the roulette wheel and the silver ball bounced between the numbers.

Ingrid watched the wheel carefully before placing her chips on number twenty-three.

collocation: spin the wheel

同義詞

文法句型

the wheel

spin the wheel

roulette wheel

用法筆記

This sense is specific to gambling contexts. Outside of a casino or game setting, 'wheel' does not carry this meaning.

8. the people, processes, or forces that keep an organization, system, or set of ac

8.名詞C1
釋義

the people, processes, or forces that keep an organization, system, or set of activities running and moving forward.

例句

The wheels of justice turn slowly, but the truth eventually comes out.

figurative idiom: wheels of justice

Dahlia described the volunteers as the wheels that kept the charity centre open every day.

同義詞
  • engine

    emphasizes the power source rather than the mechanism of movement

  • machinery

    suggests a complex system of interlocking parts

文法句型

the wheels of [system/organization]

用法筆記

Always used figuratively and in the plural. Common collocations include 'the wheels of justice', 'the wheels of government', and 'the wheels of progress'. The image compares an organization to a machine that needs wheels to function.

常見錯誤

The wheel of the company is my manager.' (referring to one person)
The wheels of the company are the entire team.
💡use plural to refer to the combined forces or processes.

wheels — verb