I looked at her heart with more than casual interest.

"You know you've never told me why," he said with casual interest.

Lee studied the screen with casual interest for a moment.

Most times, other people's weather is of only casual interest.

No women friends, although several had indicated more than a casual interest in him.

There seemed to be an active screening process to keep out those with only a casual interest.

The others had folded their hands and were sitting back watching with the casual interest of men no longer involved.

Most animals display only a casual interest in the dead of their own species.

There had been more than casual interest in the encounter.

I have far more than a casual interest in those creatures.