He said that guards/agents repeatedly knocked his head against the wall while an MI5 officer was in the room.

Shimizu repeatedly knocked his opponent down, in total 6 times.

Graf just could not handle it, repeatedly knocking her returns into the net.

She knocked repeatedly but there was no answer and finally she gave up.

They knocked loudly and repeatedly on the front door.

He repeatedly knocked on my door and said: 'Hey, keep it down!

I knocked repeatedly at the door, but received no response.

Someone was in urgent need of help and was knocking repeatedly, in desperation.

Chakotay had been knocking at Seven's door repeatedly for several minutes before faint footfalls could be heard approaching from the other side.

Cars whizzed by so fast that the gusts of wind they created repeatedly knocked the little girl down.