en_tn/dan/03/06.md

Whoever does not fall down and worship, at that very moment, will be thrown into a blazing furnace

This can be stated in active form. Alternate translation: "The soldiers will throw into a blazing furnace anyone who does not fall down and worship the statue at the very moment they hear the music" (See: rc://en/ta/man/jit/figs-activepassive)

fall down

Here "fall down" means "quickly lie down"

blazing furnace

This is a large room filled with a hot fire.