His words echoed slightly, as if spoken in a train station.

The words seemed to echo slightly, as if the room were larger than it really was.

I shouted, my voice echoing slightly around the cave walls.

His voice echoed slightly in the room, evoking the peculiar impression that no words had ever been spoken here before.

A young, clear voice, echoing slightly as if he were talking in a tunnel or a high-ceilinged bathroom.

You did it, he told her, the thin sound of his voice still echoing slightly inside her helmet.

His words echoed slightly, enough to offer a sensation of cave dwelling.

"Light me, Sassenach," he said softly, and his voice echoed slightly in the small stone chamber.

"We've been out of space in this building for 25 or 30 years," he says, his voice echoing slightly.

The sound echoed slightly in the emptiness of the night and she shivered.