lever

• 一种刚性杆或梁，围绕支点转动以传递力和运动，用于撬起或移动物体；也泛指各种杠杆装置或起杠杆作用的部件。

A rigid bar or rod that pivots on a fulcrum to transmit force and motion, used to lift or move objects.

1. Simple machineB2formalscientific

   A rigid bar that pivots about a fixed point (fulcrum) to move a load with less effort.

   杠杆

   • A seesaw is a classic example of a lever.
   • He used a long lever to lift the heavy rock.
   • The lever principle is applied in many tools like crowbars and scissors.

2. Control handleA2formaltechnical

   A handle or bar used to operate a machine, vehicle, or piece of equipment.

   操纵杆

   • Pull the lever to start the engine.
   • The pilot pushed the control lever forward.
   • She adjusted the lever on the chair to recline it.

   同义词barcontrolhandlestick

3. Influence or advantageB2informal

   Something used to gain power, influence, or advantage in a situation.

   杠杆

   • His knowledge of the market gave him a strong lever in negotiations.
   • She used her connections as a lever to get the job.
   • The threat of a strike was a powerful lever for the union.

   同义词advantagebargaining chipcloutedgeinfluenceleveragepowerpullswayweight

• 动词，指用杠杆撬起、移动或操纵某物，也指利用影响力或资源来达到目的。

A verb meaning to lift, move, or manipulate something using a lever, or to use influence or resources to achieve a result.

1. Move with a leverB2formal

   To lift or move something using a lever.

   撬动

   • He levered the heavy rock out of the ground.
   • They levered the crate onto the truck using a metal bar.
   • She levered the lid off the paint can.

   同义词forcepriseprizeprywrench

2. Use influence or powerC1formal

   To use something (like influence, money, or resources) to achieve a result.

   利用影响力

   • The company levered its market position to negotiate better terms.
   • He levered his connections to get the job.
   • They levered the deal by offering additional services.

   同义词bring to bearemployexertexploitleverageuseutilizewield