Even when it was whole, it was unsuitable for a work. How much more so, when fire has devoured it and burned it up, will nothing of it be useful
Other versions
King James Version
Behold, when it was whole, it was meet for no work: how much less shall it be meet yet for any work, when the fire hath devoured it, and it is burned? English Standard Version
Behold, when it was whole, it was used for nothing. How much less, when the fire has consumed it and it is charred, can it ever be used for anything!New International Version
If it was not useful for anything when it was whole, how much less can it be made into something useful when the fire has burned it and it is charred?