an insurance policy is a good safeguard.
guard against becoming too friendly with the staff.
guard against infection.
guard my possessions while I'm away.
guards must be good blockers.
he put an ice pack on the injury as a precaution.
he was on guard that night.
Hold that position behind the trees!.
Hold the bridge against the enemy's attacks.
keep your guard up.
the left guard was injured on the play.
there would be men guarding the horses.
we let our guard down.