But Archer knew that didn't mean they should lower their guard.

She lowered her guard and walked out beside the man.

In other words, he'll unconsciously lower his guard with you.

In such places a man did not lower his guard.

Maybe then she would lower her guard and reveal more about herself.

We keep it as a reminder never to lower our guard.

He doubtless would like the West to lower its military guard.

Commissioner, we are counting on you not to lower your guard.

The first, naturally, is that we must not lower our guard.

But its success should not lead us to lower our guard.