She glanced at Lee, who was clearly still concentrating on nearby traffic.

He stared down at it for a moment, stroking the metal with his thumbs, clearly concentrating hard.

They find it difficult to concentrate and think clearly and quickly.

They are clearly concentrating their attacks on the security forces for the moment.

Depressed people often have difficulty concentrating and thinking clearly and doing work they once did easily.

Some were clearly concentrating on extending goodwill toward me, visible in sheets that dissipated without focus.

She gave him single-word answers, clearly concentrating on keeping her balance.

Rustyl looks down at the glass, clearly concentrating.

Dr. Maalot stood slightly to one side, a frown on his face, clearly concentrating, working to keep up with Seven.

The kzin was clearly concentrating on something else.