How to use "stained" in a sentence

Then she gave a blood-stained smile

A terrible heap of dead bodies lay not far away, among them the blood-stained body of a young girl in man's clothes - Eponine.

Bending down, he took a handkerchief from his pocket, wet it in the river and bathed Marius's blood-stained forehead

He took his foot off the brake and drove forward, through sheeting snow stained red by the strange light.