We keep a rather tight rein on our various Houses.

But he had learned long since to keep a tight rein on his emotions.

And a huge city, with many dead of its own, had to be kept on a tight rein.

Well, maybe he did not have such a tight rein after all.

But today he couldn't seem to keep a tight rein on his feelings.

The officer nodded but kept a tight rein on his body language.

Keeping a tight rein on herself she said again, 'I've heard nothing.

But the family still keeps a tight rein over any military action.

Between them they kept a tight rein on the ship's course.

They, and his mother, kept a tight rein on things.