His labored breathing echoed against the walls as he went up.

There was no more sound of feet, but they could still hear the labored breathing.

This can be seen in his very labored breathing after most every bout.

His labored breathing caught her attention and she turned to look up at him.

Slowly, he oriented himself, and brought his labored breathing down.

He was almost so close now that she could hear his labored breathing.

Only the sound of our labored breathing broke the silence.

The labored breathing, the color of her mother's skin said it all.

For long moments, the only sound that could be heard was his labored breathing.

Another, much longer pause and the sound of labored breathing.