We did not so much target them as they started knocking on our door.

After this he then goes to the door and says "You can start knocking again now" before going back inside.

I hope he can start knocking in a few goals because we need players who want to play for the club.

I didn't think he'd start knocking off all her friends and relations.

"We were asleep and somebody started knocking on the bedroom door," she said.

The guy is big; he actually started knocking me around.

Then he started knocking on the walls looking for a secret entrance.

She opened the door before the Fred man might start knocking on it.

Get out of prison and start knocking off the jury who sent him up the river?

I rang the bell three more times, then started knocking on the screen door.