The people committed spiritual adultery by worshiping idols and being unfaithful to Yahweh. They were probably also being unfaithful to their husbands or wives by sleeping with other people. (See: [[rc://en/ta/man/translate/figs-metaphor]])
This can be stated in active form. This means the people had strong desires to do evil. Alternate translation: "like an oven which the baker heats" (See: [[rc://en/ta/man/translate/figs-simile]] and [[rc://en/ta/man/translate/figs-activepassive]])