名詞 knockdown:

1. a blow that knocks the opponent off his feet

形容詞 knockdown:

1. (furniture) easily assembled and dismantled

1. If was the last one they had and they sold it me at a knockdown price.
   這是他們手中的最后一個，他們以低價賣給了我。
2. A knockdown blow.
   強有力的一擊

knock.down

n.（名詞）

The act of knocking down.
打倒的動作
The condition of being knocked down.
被擊倒：被擊倒的狀態(tài)
An overwhelming blow or shock.
驚訝，嚇一跳：勢不可當的打擊或震驚
Something designed to be easily assembled or disassembled.
易拆卸的東西：設計使組裝或拆卸很容易的東西
adj.（形容詞）
Strong enough to knock down or overwhelm; powerful:
不可抵擋的：強有力足以擊倒或壓倒的；強有力的：
例句：
a knockdown blow.
強有力的一擊

Designed to be easily assembled or disassembled:
易拆卸的：設計使很容易組裝或拆卸的：
例句：
knockdown furniture.
組合家具

Reduced:
降低的，減低的：
例句：
knockdown prices.
降價后的價格