keep somebody in line

What're you going to do to keep them in line from now on?

She needed to keep him in line for a while longer.

But he also knew how to keep them in line.

He's a Party member, here to keep the others in line.

"That sounds like a story some mother made up to keep her kids in line."

How does he keep all these pieces of his life in line?

Men who knew how to handle themselves and keep their women in line.

Still, teachers sometimes found it difficult to keep the students in line.

That was supposed to keep us in line, I guess.

He needed a strong woman to keep him in line.