We'll have a lot of trouble keeping them under control.

They didn't seem to have much trouble keeping to their feet.

When the couple try to run away, trouble keeps following them.

He'd had a bad enough time before today, and his troubles might keep on into the future.

I remember we had trouble keeping it when you were here, Chance.

I had a little trouble keeping a straight face along about then.

The men also had more trouble keeping their work secret.

I didn't have any trouble keeping the surprise out of my voice.

He spent a week in the hospital, where doctors had trouble keeping his blood pressure under control.

Have trouble sleeping or keeping your mind on one thing.