The police say the policy is constantly kept under review.

Those are the two things that constantly keep me alive.

I constantly kept this in my mind: I'm here to do one thing.

It has to be a clean program and one that we constantly keep an eye on.

Constantly kept moving so they couldn't get a fix on us.

But they kept up the pursuit, close enough to keep constantly on his trail.

The Dictionary as a whole needs to be kept constantly up to date.

At one of these establishments over 1,000,000 books are constantly kept in stock.

You need to constantly keep an eye on things.

You have to constantly keep your weight on the middle of the blade or you're dead.