I obeyed, watching her go to the door, knocking sharply for the guard.

I knocked sharply on the door and went in.

Five minutes later, I went to Aber's room and knocked sharply.

He knocks sharply on the other door, although the window beside it reveals that no one is in the kitchen.

That was more worrisome than the first possibility, and she immediately raised a hand to knock sharply at the door.

Someone knocked sharply at the great cabin's door, and he heard his valet open it.

Monk did not reply, but knocked sharply on the door.

He stopped in front of Cat's door and knocked sharply.

He strode right up to the door of the mobile home and knocked sharply.

She went up the stairs, feeling her way in the gloom, and at the top she knocked sharply.