How dost thou — Her open simplicity appears from her very first words. The Jews have no dealings — None by way of friendship. They would receive no kind of favour from them.
Related Commentaries of John 4:9
John 4:9
9 Then saith the woman of Samaria unto him, How is it that thou, being a Jew, askest drink of me, which am a woman of Samaria? for the Jews have no dealings with the Samaritans.