The car seemed to hold an unusual interest for him that morning.

"Mike has an unusual interest in this case," he continued.

Because of the unusual interest, the club opened its ticket office yesterday.

We must watch for those who might take an unusual interest in it.

At a very young age, Phelps demonstrated an unusual interest in nature.

He takes an unusual interest in many of your affairs.

"Boston has been receiving what you might call unusual interest from the chairman."

Rome, on the other hand, has summer treats of unusual interest.

The people here seem to take an unusual interest in strangers.

They seemed to have taken an unusual interest in the overturned car.