His attention centered on a huge machine in the middle of the room.

Her attention centered on a spot in the center of the hall about equidistant from the three bedrooms.

His whole attention centered upon the buck, he neglected for the moment to be on the watch for danger.

His attention centered on one of the chairs.

Although his attention centered on Frank, he was still aware of the action around them.

It was quickly realized that the answer was negative, after which attention centered on the restricted problem.

The Magistrate's attention soon centered on that relatively small part of the great excavation in which the workers were now most active.

Their attention centered on the door, they naturally did not observe what happened at the window.

Seeing no one step from the car, his attention centered upon a sedan that pulled up closer to the hotel.

My attention centered on that bandage - I stood very still, hardly breathing.