名詞 knock-down:

1. a blow that knocks the opponent off his feet
   同義詞：knockdown

動詞 knock-down:

1. cause to come or go down
   同義詞：down, knock down, cut down, push down, pull down
2. knock down with force
   同義詞：deck, coldcock, dump, knock down, floor

形容詞 knock-down:

1. strong enough to knock down or overwhelm
   同義詞：powerful
2. (furniture) easily assembled and dismantled
   同義詞：knockdown