Yes, I do seem to have trouble staying on the subject.

But the paper continued to have trouble staying in print.

He had trouble staying focused on her face as she advanced into the room.

Even 6-year-olds have trouble staying away from their parents when they're separated only by a closed door.

Despite the slope, she'd have no trouble staying in place.

They can have trouble staying awake, so the campaign has to buy them coffee.

Now he's up to it again, I'd be trouble, staying on.

But why should we have so much trouble staying fit?

"And we been having enough trouble just staying on the road in here."

You may have trouble staying still during the test.