## by his right hand and by the arm of his strength ##

This shows God will surely fulfill what he says. AT: "by his power" (See: [[rc://en/ta/man/translate/figs-metonymy]])

## Surely I will no longer give your grain as food for your enemies ##

This means God will not let the enemy conquer the people of Israel and take their grain. Perhaps the enemy took the grain in the past as a tax or to feed their own armies.