I knocked over a can of paint and spent the next hour cleaning up.
The bandits knocked over another bank, making three this week.
The dust storms here can knock over trees.
My cat likes to knock over water glasses just to annoy me.
They are considered safer than taper or pillar candles, which are easier to knock over.
So, in layman terms, you throw a batarang and knock over some barrels and then go in for the fight.