But if the Lord accomplishes something new, so that the earth opens its mouth and swallows them whole, along with everything that belongs to them, and they descend alive into the underworld, then you shall know that they have blasphemed the Lord.
Other versions
King James Version
But if the LORD make a new thing, and the earth open her mouth, and swallow them up, with all that appertain unto them, and they go down quick into the pit; then ye shall understand that these men have provoked the LORD. English Standard Version
But if the LORD creates something new, and the ground opens its mouth and swallows them up with all that belongs to them, and they go down alive into Sheol, then you shall know that these men have despised the LORD."New International Version
But if the LORD brings about something totally new, and the earth opens its mouth and swallows them, with everything that belongs to them, and they go down alive into the grave, then you will know that these men have treated the LORD with contempt."