NET
4 The mountains will crumble beneath him, and the valleys will split apart like wax before a fire, like water dumped down a steep slope.
Darby
4 And the mountains shall be melted under him, and the valleys shall be cleft, as wax before the fire, as waters poured down a steep place.
KJV
4 And the mountains shall be molten under him, and the valleys shall be cleft, as wax before the fire, [and] as the waters [that are] poured down a steep place.