But a single guard is usually enough.
I turned around and saw Boniek Garcia putting his bag through the metal detector, unnoticed by all except a single guard.
Only a single guard was stationed out front, a machine gun in his hand, an ammunition belt across his shoulder.
(A longtime embassy employee remembers that security was so lax in the early days that a single guard stood at the door, supporting himself with a cane).
They were prisoners from one of two nearby jails on a work assignment who, as far as I could see, were without a single guard supervising them.
It could take as long as a half-hour to figure out how to kill a single guard: I tried one idea after another until I finally found a way to take out the enemy without raising the alarm.
Mr. Katsas said the chief justice's interpretation would gut the law and protect "every single guard at Treblinka," the Nazi death camp, since a simple assertion that they were following orders could then merit asylum.
The Victorian reformer's famous panopticon prison design, never fully realised, proposed to arrange cells in a circle around a central point, allowing a single guard "to survey the whole establishment in the twinkling of an eye".
The footage ends abruptly when a single guard suddenly comes into frame across the road.
As a first step, we consider that there is a single guard sub-carrier between the asynchronous users.
