Robert knocked the cup away with the back of his hand.

Sarah tried to steady herself, but was knocked away at the next impact.

The table was knocked away, and Grant fell back, now completely exposed.

"perhaps it hit a rock and the fuse got knocked away."

He stood, holding his stomach and trying to find the breath that had been knocked away by the blow.

Or there might have been an outer door, only it got knocked away.

Still out of sight, the two approaching helicopters knocked away at the air.

Then you should either have knocked or gone away.

With several other students, she pins him down, but is knocked away when he regains his strength.

Then with one heave of his arm, he knocked away the table over Covenant.