q.d. I will not, cannot hide it; it is against the laws of friendship to conceal my secrets from him. The interrogation here is in effect a negation, as elsewhere. Compare 2 Samuel 7:5, with 1 Chronicles 17:4; and Matthew 7:16, with Luke 6:43. See also Amos 3:7.
Related Commentaries of Genesis 18:17
Genesis 18:17
17 And the LORD said, Shall I hide from Abraham that thing which I do;