Jamieson, Fausset and Brown on John 2:4-5

4-5. Woman--no term of disrespect in the language of that day (Joh 19:26).

what ... to do with thee--that is, "In my Father's business I have to do with Him only." It was a gentle rebuke for officious interference, entering a region from which all creatures were excluded (compare Ac 4:19, 20).

mine hour, &c.--hinting that He would do something, but at His own time; and so she understood it (Joh 2:5).