1. The wise man's tongue is a shield, not a sword. 

2. The wide-brimmed straw hat shielded his face.

3. The immune system is our body's shield against infection.

4. This car polish is an effective shield against rust.

5. The sword glanced off the knight's shield.

6. The hostages were used as a human shield .

7. The tribesmen were armed with spears and shields.

8. Look for something that can act as a shield, like a dustbin lid.

9. He stowed away on a ferry and landed in North Shields.

10. Water is not an effective shield against the sun's more harmful rays.

11. The gunman used the hostages as a human shield .

12. She hid her true feelings behind a shield of cold indifference.

13. He used his left hand as a shield against the reflecting sunlight.

14. The police held up their riot shields against the flying rocks and bricks.

15. Shielding his eyes from the bright light, he looked far out to sea to watch for the ship's arrival.

16. The king's shield was emblazoned with his family coat of arms.

17. The sword glanced off the shield and did not damage it.

18. He shielded his eyes against the dazzling declining sun.

19. The cavalry wore a suit of light armour and carried a shield.

20. The police officer fended off the blows with his riot shield.