The look of concern and fear in his eyes had broken her heart.

She didn't offer any more comment despite the look of concern in his eyes.

He believed her, for his face took on a look of concern.

She laughed, but the look of concern did not leave her face.

The others in the room watched as a look of concern came over his face; something was clearly wrong.

She shook his hand, then a look of concern came over her.

Then suddenly a look of concern showed on his face.

She took a step toward him, a look of concern on her face.

His long face took on a look of deep concern.

The whole time he was watching her with a look of concern.