lever

lever /'li:və/
  • danh từ
    • cái đòn bẩy
    • động từ
      • bẩy lên, nâng bằng đòn bẩy

    o   đòn bẩy

    §   balance lever : đòn đối trọng

    Xem thêm: lever tumbler, pry, prise, prize, jimmy



    lever

    Từ điển Collocation

    lever noun

    1 handle for operating a machine

    ADJ. brake, control, gear

    VERB + LEVER move, operate, position, press, pull, push, put, release, set, throw When the lever is operated, the machine sews backwards. To release the brake, pull the lever towards you. Push the gear lever into first. The machine will stop immediately once the lever is released. Set all three levers to the 0 position. He threw a lever and the engines roared to life.

    PREP. by (means of) a ~ The machine is operated by means of a lever.

    PHRASES the position of the lever

    2 means of achieving sth

    ADJ. powerful, useful

    VERB + LEVER act as, be, give sb, provide (sb with), serve as | use sth as

    PREP. ~ against If this allegation is true, it will give us a useful lever against him. | ~ for This could serve as a powerful lever for peace.

    Từ điển WordNet

      n.

    • a rigid bar pivoted about a fulcrum
    • a simple machine that gives a mechanical advantage when given a fulcrum
    • a flat metal tumbler in a lever lock; lever tumbler

      v.

    • to move or force, especially in an effort to get something open; pry, prise, prize, jimmy

      The burglar jimmied the lock", "Raccoons managed to pry the lid off the garbage pail

    English Synonym and Antonym Dictionary

    levers|levered|levering
    syn.: jimmy lever tumbler prise prize pry