knock down

• n. a blow that knocks the opponent off his feet

  同义词： knockdown

• v.
  • cause to come or go down

    同义词： down cut down push down pull down

  • knock down with force

    同义词： deck coldcock dump floor

• adj. strong enough to knock down or overwhelm

  同义词： knock-down(a) powerful

以上来源于: WordNet