Knock Knocked Wall Sth Meaning Building Destroyed Purpose

Meaning: If something like a building or a wall is knocked down, it is destroyed on purpose.

• be knocked down The old hotel was knocked down so that a new one could be built.
  
  
• knock sth down If we knocked the tool shed down, we could put a vegetable garden there instead.
  
  
• knock down sth How much would it cost to knock down the stone wall behind the swimming pool?
  
  

Nouns often used as objects with knock down (1): building, house, shed, church, wall, fence, billboard, signpost