After quite a short time I saw him returning, speaking over his shoulder to someone behind.

He turned and spoke over his shoulder to someone; then another man appeared.

Still holding the older man, Peter spoke over his father's shoulder.

At the door he turned back, and spoke over his shoulder.

He began walking again, speaking over his shoulder without looking.

The last was spoken over her shoulder as she turned away from him, to face into the night.

She spoke the last over his shoulder as if more to herself than to him.

"She is coming out of it," he spoke over her shoulder to someone the girl could not see.

She twisted to take in the view and spoke over her shoulder.

I turned away from him and spoke over my shoulder.