Definition: to destroy a building or part of a building Level: B2
他们已经拆掉了那家老电影院。
They've ___knocked the old movie theater ___down.
我们应该让人把这些空置的办公楼拆掉，改建成公园。
We should have the empty office buildings ___knocked ___down and replaced with parks.
为了公共安全，市政府决定拆除那座危险的建筑。
The city decided to ___knock that dangerous structure ___down for public safety.
