- 打倒，击倒；撞倒；击落：
The angry man knocked him down.
那个愤怒无比的人将他击倒了。
I carelessly knocked the chair down.
我不小心将椅子撞倒了。
- 毁掉，拆毁，破坏：
It's a pity that the old house was knocked down.
很可惜，那幢老房子被拆毁了。
- 拆卸；拆散(以便于装运)：
The machine has been knocked down ready for shipment.
机器已拆好准备装船。
- 否定(建议等)：
His suggestion was knocked down.
他的建议被否定了。
- (拍卖时)击槌卖出：
The best painting was knocked down at $3,000.
最好的一幅画拍卖了3 000美元。
- 征服，克服，使屈从
- 降价；迫使…降价，杀价：
I bought a dress that had been knocked down to halfprice.
我买了一条半价的裙子。
He tried to knock the price down to $40.
他试图把价格压到40美元。
- [美国英语]获得，赚得，挣得：
How much can you knock down a year?
你一年能挣多少钱?
- 驳斥，使(论点)站不住脚：
I defeated him by knocking down his argument.
我通过驳斥他的论点挫败了他。
- 使吃惊：
The news really knocked me down.
这消息的确让我大吃一惊。
- [美国俚语]挪(或盗)用公款：
The accountant knocked down plenty of money without being caught.
那个会计挪用了大笔钱而未被发现。
- [俚语]指名要求：
He knocked the artist down for a song.
他指名要求该艺术家唱一首歌。