Sentence examples for is on guard from inspiring English sources

Everyone is on guard, everyone is nervous, everyone is alert".

A man is on guard because that is his job.

The news system is on guard against too much left or too much right.

But if both parents and others are around, all may assume someone else is on guard.

MAGAZINE The Latin Casablanca The Brazil-Argentina-Paraguay border is on guard for terrorists.

But a garrison of 80 South Korean soldiers is on guard here 24 hours a day.

Ortiz should have been "on guard" and better prepared for those sucker punches.

Their methods can be very subtle and sophisticated, so be on-guard.

"But one must always be on guard and never forget what happened".

So, be on guard.

It's being on guard".