Evil will overwhelm you, and you will not notice its rising. And calamity will fall violently over you, and you will not be able to avert it. You will suddenly be overwhelmed by a misery such as you have never known
Other versions
King James Version
Therefore shall evil come upon thee; thou shalt not know from whence it riseth: and mischief shall fall upon thee; thou shalt not be able to put it off: and desolation shall come upon thee suddenly, which thou shalt not know. English Standard Version
But evil shall come upon you, which you will not know how to charm away; disaster shall fall upon you, for which you will not be able to atone; and ruin shall come upon you suddenly, of which you know nothing.New International Version
Disaster will come upon you, and you will not know how to conjure it away. A calamity will fall upon you that you cannot ward off with a ransom; a catastrophe you cannot foresee will suddenly come upon you.