The man before him, alert and balanced, moved to parry this.

You also appear to be an able-bodied and alert man.

An alert man, who would prove handy in a pinch.

I want at least two men awake and on the alert all night.

Including, I trust, an alert old man in a brown automobile.

Finally, an unusual number of alert, grim-faced men just sat in their cars, watching, waiting.

If a mission kept him awake for several days, he could be counted on to be the most alert man present.

He was a very alert man, and performed brilliantly during negotiations.

A keen, alert man followed Battle into the apartment.

The door opened and an alert young man stepped in from the outer office.