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单词 knock down
释义

knock down

phrasal verb transitive
Word Forms
present tense
I/you/we/theyknock down
he/she/itknocks down
present participleknocking down
past tenseknocked down
past participleknocked down
DEFINITIONS4
  1. 1

    knock down

    or

    knock over

    ​Britishto hit someone with a vehicle so that they are injured or killed

    Sue was knocked down just yards from her home.

    Synonyms and related words
    To knock someone down by hitting them
    knock
    strike down
    knock down
    Synonyms and related words
    Vehicle accidents and breakdowns
    accident
    aquaplane
    bang up
  2. 2
    to deliberately destroy a building or wall

    The far wall could be knocked down to make the room bigger.

    Synonyms and related words
    To destroy a building or structure
    pull down
    tear down
    wreck
  3. 3
    ​informalto reduce a price or amount

    They knocked the price of beer down over 20p a pint to £1.45.

    Synonyms and related words
    To reduce something
    cut back
    cut down
    reduce
    Synonyms and related words
    Setting, controlling and changing prices and costs
    bargain
    beat down
    bottom out
    1. 3a
      (knock someone down) to persuade someone to reduce the price of something

      I managed to knock him down to £120.

      Synonyms and related words
      Setting, controlling and changing prices and costs
      bargain
      beat down
      bottom out
  4. 4
    to show that something such as an idea or suggestion is not good or useful

    It was a theory that was easily knocked down.

    Synonyms and related words
    To refuse to think about, believe or accept something
    turn down
    ignore
    dismiss

knock down

phrasal verb transitive
Word Forms
present tense
I/you/we/theyknock down
he/she/itknocks down
present participleknocking down
past tenseknocked down
past participleknocked down
DEFINITIONS4
  1. 1
    to deliberately destroy a building or wall

    The far wall could be knocked down to make the room bigger.

    Synonyms and related words
    To destroy a building or structure
    pull down
    tear down
    wreck
  2. 2

    knock down

    or

    knock over

    ​Britishto hit someone with a vehicle so that they are injured or killed

    Sue was knocked down just yards from her home.

    Synonyms and related words
    To knock someone down by hitting them
    knock
    strike down
    knock down
    Synonyms and related words
    Vehicle accidents and breakdowns
    accident
    aquaplane
    bang up
  3. 3
    ​informalto reduce a price or amount

    They knocked the price of a glass of wine down to $1.45.

    Synonyms and related words
    To reduce something
    cut back
    reduce
    shrivel
    Synonyms and related words
    Setting, controlling and changing prices and costs
    appraise
    bargain
    beat down
  4. 4
    to show that something such as an idea or suggestion is not good or useful

    It was a theory that was easily knocked down.

    Synonyms and related words
    To refuse to think about, believe or accept something
    turn down
    ignore
    dismiss
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更新时间：2026/8/23 18:01:59