死伤相枕 Origin — Chinese Character Wiki

sǐshāngxiāngzhěn

to have bodies of the dead and wounded piled up

死 sǐ verb

to die

to die; to pass away; to perish
伤傷 shāng noun

injury

injury; wound; a place on the body or an object that has been damaged
相 xiāng adverb

mutually

each other; one another; mutually
枕 zhěn verb

to rest the head on

To rest one's head on a pillow or other object; to use as a pillow; (literary) to border or lean against.