knock-down
(a.)擊倒的,壓倒的;可拆開的,易于拆開的;最低的
knock-down
adj : strong enough to knock down or overwhelm; "a knock-down
blow" [syn: knock-down(a), powerful]
knockdown
adj : (furniture) easily assembled and dismantled; "I bought a
knockdown chest at the do-it-yourself store"
n : a blow that knocks the opponent off his feet