The soft, muddy ground gave under their feet and made walking difficult.

She moved into the apartment, run by Massachusetts authorities, after back surgery made walking difficult.

In particular, the sternum was poorly developed, which would have made walking difficult out of water.

The long grass and soft earth now made walking difficult.

The crowd made walking difficult, and he was forced to slow up many times.

There was a strong stream running, and that, with the heavy sand bottom, made walking difficult.

These made walking difficult; it would have been easy to slip and twist an ankle.

Some of the streets seem almost vertical, so steep they make walking difficult.

The snow was much deeper than she had thought, coming above her knees, making walking difficult.

They were raised at the heel, making walking difficult and uncomfortable.