Example: "The left guard was injured on the play"
Example: "Keep your guard up"
Example: "He put an ice pack on the injury as a precaution"
Example: "He was on guard that night"
Example: "Guards must be good blockers"
Example: "There would be men guarding the horses"
Example: "Guard my possessions while i'm away"
Example: "Hold that position behind the trees!"
Example: "Guard against becoming too friendly with the staff"