Possible meanings are 1) this is a metaphor in which the writer speaks of these people constantly committing wickedness and violence as if they ate and drank them like one would drink bread and wine. Alternate translation: "wickedness is like the bread that they eat and violence is like the wine that they drink" or 2) these people get their food and drink by committing wickedness and violence. Alternate translation: "they eat bread that they obtain by doing wicked things and drink wine that they obtain through violence" (See: [[rc://en/ta/man/jit/figs-metaphor]])