In the days before the hearing I couldn't concentrate on anything else and I became more and more tense.

BBC: August: David Shayler

You can't ever repeat the past, and the books I once believed to be so important and wise now seemed ordinary in the extreme, and I couldn't concentrate on them.

NPR: Chapter 1

And, as if already forgetting about my migraine, she trounced on, speaking at length, maybe about the dog, maybe not, I couldn't quite concentrate.

NPR: Excerpt: 'Atmospheric Disturbances'