The boxer knocked down his opponent in the first round
A strong gust of wind knocked down several trees
The construction crew will knock down the old building next week
He was knocked down by a wave while swimming
She felt a surge of anger and wanted to knock him down
The rally was so large it could knock down the government
Be careful not to knock down the vase on the table
The unfair review knocked down his confidence
They plan to knock down the wall to create a larger room
The sudden news knocked down her spirits
Did you see that boxer get knocked down?
Yes, it was a surprise to me.
He got up quickly, though.
The strong wind can knock down trees
The strong wind can fell trees
The wind's force will topple trees