King James Version
And mount Sinai was altogether on a smoke, because the LORD descended upon it in fire: and the smoke thereof ascended as the smoke of a furnace, and the whole mount quaked greatly.English Standard Version
Now Mount Sinai was wrapped in smoke because the LORD had descended on it in fire. The smoke of it went up like the smoke of a kiln, and the whole mountain trembled greatly.Catholic Public Domain Version
Then all of Mount Sinai was smoking. For the Lord had descended over it with fire, and smoke ascended from it, as from a furnace. And the entire mountain was terrible