To the hill. — Probably to the summit.
She caught him by the feet. — She laid hold of (clasped) his feet. Assuming the posture of an humble and urgent suppliant, and no doubt pouring out a flood of passionate entreaties for help.
But (and) Gehazi came near to thrust her away. — He thought her vehemence a trespass upon the dignity of his master. (Comp. Matthew 19:13; John 4:27.)
The Lord hath hid it from me. — Supernatural knowledge of every event was not a characteristic of the gift of prophecy. (Comp. 2 Samuel 7:3 seq. for a somewhat similar case of ignorance on the part of a prophet.)