The man's helmet had either been knocked accidentally or pulled from his head.
Someone accidentally knocked into the board and scattered the pieces.
She is accidentally knocked onto the road by a bike messenger.
Before they get to the party, they knock accidentally on the wrong door.
A friend, my guest for the day, accidentally knocked someone's bag off a bench onto the floor.
Mary, thrown forward in her seat, accidentally knocked the car into reverse.
The latter allegedly accidentally knocked the nose off the body.
He had to reach up high to get the chocolate and accidentally knocked over a bottle of milk.
Alvarez half stood, accidentally knocking a pen off the table.
When people began to scramble in an attempt to leave, the gun was accidentally knocked from Loving's hand.