en_tn_condensed/isa/30/33.md

For a place of burning was prepared long ago

"For long ago Yahweh prepared a place for burning"

a place of burning

Some English translations read, "Topheth," the name of a place in the Hinnom Valley, south of Jerusalem, where at one time people burned their children as sacrifices to a false god.

it is prepared for the king

"Yahweh prepared it for the king of Assyria"

The pile is ready with a fire and much wood

"The pile is ready with much wood to make a fire"

The breath of Yahweh, like a stream of sulfur, will set it on fire

This speaks of Yahweh's breath as if it were a river of fire that will set the pile on fire.