But he could only let his attention wander for a moment.

I saw my brother's attention wander to the door at the back of the court.

But she didn't let her attention wander from the conversation.

By the time the last word is received, the loved one's attention may have wandered.

At the words to us all, the boy's attention had wandered somewhat.

But after a few minutes of watching the machine turn, his attention wandered.

Harry's attention had wandered at all this talk of art.

"If your attention was wandering, how do you know that?"

My attention had wandered too far, and I'd forgotten to keep an eye on him.

But there seemed to be nothing particularly unique in it, and he'd let his attention wander.