Yahweh describes the people's devotion to him in terms of the physical sign of covenant. AT: "Dedicate yourselves completely to Yahweh" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Yahweh speaks of becoming extremely angry as if his anger were fire. AT: "my anger will burn like a fire and no one will be able to stop it" or "I will be extremely angry, and no one will be able to stop me" (See: [[rc://en/ta/man/translate/figs-simile]])
They would go to the fortified cities for protection from their enemies.
# disaster ... a great collapse
These words mean basically the same thing. The phrase "a great collapse" defines what the "disaster" will be. (See: [[rc://en/ta/man/translate/figs-doublet]])
# for I am bringing disaster from the north and a great collapse
This represents God sending an army from the north to cause disaster and destruction in Judah. AT: "for I will cause an army from the north to come and destroy you" (See: [[rc://en/ta/man/translate/figs-metaphor]])