King James Version
But do not thou yield unto them: for there lie in wait for him of them more than forty men, which have bound themselves with an oath, that they will neither eat nor drink till they have killed him: and now are they ready, looking for a promise from thee.English Standard Version
But do not be persuaded by them, for more than forty of their men are lying in ambush for him, who have bound themselves by an oath neither to eat nor drink till they have killed him. And now they are ready, waiting for your consent."New International Version
Don't give in to them, because more than forty of them are waiting in ambush for him. They have taken an oath not to eat or drink until they have killed him. They are ready now, waiting for your consent to their request."