This speaks of Yahweh punishing their enemies as if he were going to force them to drink from the cup filled with his anger. (See: [[rc://en/ta/man/translate/figs-metaphor]])
It is implied that by putting the cup of his anger in their hand Yahweh will be forcing them to drink what is in the cup. Alternate translation: "I will force your tormentors to drink from the wine of the bowl of my anger" (See: [[rc://en/ta/man/translate/figs-explicit]])
This compares the way their enemies walked on their back to the way people walk on the street. Alternate translation: "you lay in the streets so your enemies could walk on your backs" (See: [[rc://en/ta/man/translate/figs-simile]])