Usage patterns
〈場所〉に屍が転がるfor corpses to lie scattered in a place
Countless corpses lay scattered across the battlefield.
屍の山を築くto pile up a mountain of corpses (from mass killing)
That battle only left behind a mountain of corpses.
屍を越えて進むto press forward, stepping over the dead (fig. ruthless advancement)
He grabbed success by stepping over the bodies of his own comrades.
Expressions
生ける屍living corpse; person who is alive but lacks vitality 屍をさらすdie on the battlefield; leave one's corpse exposed