It was a quiet meal, with everyone concentrating on his own thoughts.

The handful of people eating there concentrated on their own plates and their own thoughts.

Instead, she concentrates on McCain's thoughts, strategies and moods as he pressed his fight.

Only his veiled, black eyes moved as he concentrated on his thoughts.

Geoffrey glared at the troll, but his mind concentrated on Cordelia's thoughts.

He closed his eyes, concentrating on Geoffrey's thoughts.

Geraden didn't appear to be listening: he looked like he was concentrating hotly on his own thoughts.

He concentrated on Topthor's thoughts and determined the proper direction.

I'd like to go into more detail, but because of the noise pounding through the ceiling, I'm unable to concentrate on my thoughts.

But Cathy was concentrating on her own thoughts too.