'Wherefore' in the Bible

And he saith to him, 'Far be it! thou dost not die; lo, my father doth not do anything great or small and doth not uncover mine ear; and wherefore doth my father hide from me this thing? this thing is not.'

And it cometh to pass on the second morrow of the new moon, that David's place is looked after, and Saul saith unto Jonathan his son, 'Wherefore hath the son of Jesse not come in, either yesterday or to-day, unto the food?'

And David cometh in to Nob, unto Ahimelech the priest, and Ahimelech trembleth at meeting David, and saith to him, 'Wherefore art thou thyself alone, and no man with thee?'