He found it difficult to keep discipline in the classroom and soon gave up teaching.

Put him in front of a classroom and ask him not only to keep discipline, but to teach the subject he loves, history.

Most of her time, he reckoned, would be taken up trying to keep discipline.

"But our drivers are trained to keep discipline in accordance with the school's own practices."

That was the way to keep discipline in the ranks!

They are generally charged with keeping good order and discipline within the lower enlisted ranks.

How can you expect me to keep discipline after this?

As for command; like I said before, we have to keep discipline to stand a chance.

We urge you to keep your cool, peace and discipline!

Even on a training run like this, you kept discipline.