Her hair was very red, and she had much of it.

She was a large, strong young woman.
She looked larger and stronger than the man with whom she was conversing.

He was a thin, haggard fellow, not at first noticeable in the landscape, for his clothes and beard were faded and worn into colours of earth and wood, so that Nature seemed to have dealt with him as she deals with her most defenceless creatures, causing them to grow so like their surroundings that even their enemies do not easily observe them.

This man, however, was not lacking in a certain wiry physical strength, nor in power of thought or of will.

And these latter powers, if the girl possessed them, were as yet only latent in her, for she had the heavy and undeveloped appearance of backward youth.
The man was speaking earnestly.