Sentence examples for alert in from inspiring English sources

The boy is alert in the back.

We'll put "spoiler alert" in big letters.

Red alert, red alert, in the A.L.C.S.

I always feel clean and mentally alert in the morning.

They also felt less alert in the morning.

The judges have not always been alert in this tournament.

There is an air-raid practice alert in progress.

And there was a high alert in Jerusalem.

Officials declared an air quality alert, in effect till 11 p.m.

For one thing, they will have to be alert in defence.

That's the reason behind the change of alert in Argentina and Chile".