The doors at the rear of the truck opened soundlessly.

Then the last of the air was gone and the inner door opened soundlessly in the vacuum.

But it stood stock still for a moment, jaws opening soundlessly, then toppled over onto its side.

As though moved by phantom hands, the door opened soundlessly.

A ball which soundlessly opened and closed its mouth.

Sayce's mouth opened soundlessly, then she slumped back in the chair.

At the last minute, Elena decided to get some rope, and she soundlessly opened the back door to the garage.

The door opened soundlessly, and Kevin shot to his feet in alarm.

The bathroom door opened soundlessly as Smith went in, gun raised.

A door opened soundlessly, admitting them to another corridor.