Once inside they stared about them with frank curiosity.

He turned, still maintaining his grip on the stay, and looked up at the other with frank curiosity.

He paused a moment before asking with frank curiosity, "Why?"

"Yes," she said, looking at him now with curiosity frank in her eyes.

The boy walked to Clete, looking at him with frank curiosity, and put out his hand.

She was looking at Kate now with frank curiosity.

She returned his look with a frank curiosity that surprised him.

And so were the eyes that now met his with frank curiosity.

Two little faces filled one of the windows, looking about with frank curiosity.

Data met his frank curiosity with no visible signs of discomfort.