3. roaring—for prey (Pr 28:15; Eze 22:27; Am 3:4; Mic 2:2).
evening wolves—which are most ravenous at evening after being foodless all day (Jer 5:6; Hab 1:8).
they gnaw not the bones till the morrow—rather, "they put not off till to-morrow to gnaw the bones"; but devour all at once, bones and flesh, so ragingly ravenous are they [Calvin].