It swung soundlessly upon its oiled hinge to reveal the mighty mesh-covered structure.

To one side of the main gates, a small, iron-bound door swung open soundlessly.

The iron soundlessly swung open on its hinges.

The door swung open soundlessly.

As he did so, the great doors swung open soundlessly.

And then she catches her breath as the door soundlessly swings in to reveal the darkened stairs.

Spock pushed at the door, and it swung open soundlessly.

Ahead, a set of doors swung open soundlessly at their approach.

The oval closure swung soundlessly aside to reveal once more nightside's blue-violet lighting in the corridor.

It swung back soundlessly.