1.   The blue eyes pierced through her with that cold, callous look that once was capable of breaking her heart.

2.   Her blue eyes are piercing.

3.   Her hair is short and chopped, the sky-blue eyes piercing.

4.   His handsome face has a few lines, but those baby-blue eyes are still piercing.

5.   The cave is eerie, in part because the gray pigeonlike birds are so loud and their eyes pierce like headlights.