Sandy exclaimed when she saw the boys' smudged faces and frayed trouser knees.

He rubbed his palms on his trouser knees, and stared at his boots.

Carella got to his feet and dusted off his trouser knees.

Ekaterin bit her lip and rubbed her palms on her trouser knees.

His trouser knees had been darned but one side I caught a pink glimpse of the flesh through the material.

Pooley simply pointed to an L-shaped tear in his own left trouser knee.

He patted his creation upon the trouser knee and gave it the old thumbs up.

Holmes rose to his feet and patted dust from his trouser knees.

The icy water soaked the trouser knees of his black fatigues.

He rubbed a damp palm on his trouser knee and said, "I think you may be going down some sort of pipeline after Willie.