lever

lever — noun

1. a long, stiff bar that rests on a fixed support point and is used to lift or mov

1.名詞B2
釋義

a long, stiff bar that rests on a fixed support point and is used to lift or move heavy objects, or a handle that operates a machine by being pushed or pulled.

例句

The mechanic pulled the lever to raise the car off the ground.

pull a lever to operate machinery

Daichi pushed the lever forward, and the conveyor belt began to move.

同義詞
  • bar

    a more general term for a long piece of metal or wood; not all bars are levers

  • handle

    focuses on the gripping part; a handle may not have the mechanical advantage of a lever

  • crowbar

    a specific type of curved metal lever used for prying things apart

用法筆記

Frequently appears with the verbs 'push', 'pull', 'move', and 'operate'. The object moved is typically heavy, stuck, or part of a machine.

常見錯誤

Press the lever to turn on the light.
Flip the switch to turn on the light.
💡A lever needs pushing or pulling, not pressing; switches control electrical circuits.
He used a screwdriver as a lever to lift the window.
He used a screwdriver to pry the window open.
💡A screwdriver can act as a lever, but the more natural verb is 'pry' when forcing something open.

2. something that you use to influence or pressure someone into doing what you want

2.名詞C1
釋義

something that you use to influence or pressure someone into doing what you want, often in a way that is not entirely fair.

例句

The union used the threat of a strike as a lever to demand better wages.

use something as a lever to demand

Quan felt his boss used the promotion as a lever to demand longer hours.

同義詞
  • leverage

    the more common noun form for this figurative sense; 'lever' is rarer and more concrete in tone

  • bargaining chip

    specifically in negotiations; more informal than 'lever'

  • tool

    more neutral and general; lacks the connotation of unfair pressure

用法筆記

Subject is often a person or group with some form of advantage. The 'lever' itself is typically a threat, piece of information, or resource that creates pressure. Negative tone is common but not required.

常見錯誤

Money is a good lever to help the poor.
Money is a useful tool to help the poor.
💡'Lever' implies pressure or influence, not general helpfulness.

lever — verb