They all laughed at his enthusiasm, but the Scarecrow was quite serious.

She could not help smiling at his enthusiasm, of course.

"No, we need daylight to fight by," replied Tom, with a smile at his friend's enthusiasm.

Kirk grinned a little to himself at the boy's enthusiasm, and got to his feet.

Picard couldn't help smiling a little at the doctor's enthusiasm.

So no one seemed surprised at their enthusiasm for Double Dutch.

She smiled at his enthusiasm, relieved that he now had help with the sheep.

Father Al couldn't help smiling at the young pilot's enthusiasm.

He seemed surprised at my enthusiasm, but not a bit suspicious or hostile.

Though he did not like his role, he accepted it by looking at our enthusiasm.