But again sooner than seemed right the slope steepened.

After the first ten yards the slope steepened sharply and the climbing became harder.

The slope steepened dangerously, and they were forced to watch their footing at every turn.

The slope steepened and she felt her breath catch.

The horsemen appeared to be picking their way more cautiously as the slope steepened under them.

The slope steepened as she passed out of the second narrow valley and up a game path toward the last ridge before her goal.

The slope steepened as the top of the hill was approached.

It curved slowly toward what he felt was south and the slope steepened.

If the ground isn't reached soon and this slope steepens, we've had it.

The slope steepened and his muscles began to burn with effort.