20. hungry—not literally. Image from unappeasable hunger, to picture internal factions, reckless of the most tender ties (Isa 9:19), and insatiably spreading misery and death on every side (Jer 19:9).
eat—not literally, but destroy (Ps 27:2; Job 19:22).
flesh of … arm—those nearest akin: their former support (helper) (Isa 32:2) [Maurer].