en_tn_condensed/dan/03/11.md

Whoever does not fall down and worship must be thrown into the middle of a furnace of blazing fire

This can be stated in active form. Alternate translation: "Soldiers must throw into the middle of a furnace of blazing fire anyone who does not lie down on the ground and worship" (See: rc://en/ta/man/jit/figs-activepassive)

fall down

Here "fall down" means "quickly lie down"

the middle of a furnace of blazing fire

See how you translated this in Daniel 3:6.