Being thrown out of the grave represents not being buried. Alternate translation: "But you are not buried. Your body is left on the ground" (See: [[rc://en/ta/man/translate/figs-metaphor]])
A branch thrown away represents something worthless. Alternate translation: "like a worthless branch that is tossed aside" (See: [[rc://en/ta/man/translate/figs-simile]])
This represents many dead bodies being on top of his body. Alternate translation: "The bodies of dead people completely cover your body" or "The bodies of dead soldiers are piled on top of your body" (See: [[rc://en/ta/man/translate/figs-simile]])
This describes "the dead" spoken of at the beginning of this sentence. Being pierced by the sword represents being killed in battle. Alternate translation: "those who were killed in battle" (See: [[rc://en/ta/man/translate/figs-metonymy]])