I could hear his hard breathing now, and the rain had stopped being silent.

One of his sisters was in the room at the time, and she only noticed that the hard breathing suddenly ceased.

The ten minutes of hard breathing mentioned above is enough to start with.

He did some hard breathing and tugged at his collar.

There was no sound of any kind except for her hard breathing.

And I could hear short hard rapid breathing over the telephone.

He had not yet figured out why hard breathing attracted their attention, but would surely do so in time.

For a moment there was less talking than hard breathing, and a tremendous flapping.

My hosts were silent except for some hard breathing as they looked on.

The sound of her own hard breathing was the only sound around.