Their bags were checked by security guards at the gate.
Some companies have guards at the front desk instead of receptionists.
The prisoner broke away from the guards who were holding him.
Guards could hear everything they said.
When are you going to start installing the guards?
Crossing guards are posted during school hours to guide children safely across busy streets.
The secret service guards him against attack.
The guards must keep watch over the jewels.
The guards rotated in making their rounds every hour.
The smaller planets hovering around the planet Jupiter reminded him of the guards surrounding a king when he walked outdoors, and Kepler called them satellites.
Guards are stationed 'round the clock at the Imperial Palace in Tokyo.
Later the personal guards of kings were called satellites.