KJV - And Amnon was so vexed, that he fell sick for his sister Tamar; for she was a virgin; and Amnon thought it hard for him to do anything to her.
ASV - And Amnon was so vexed that he fell sick because of his sister Tamar; for she was a virgin; and it seemed hard to Amnon to do anything unto her.
BBE - And he was so deeply in love that he became ill because of his sister Tamar; for she was a virgin, and so it seemed hard to Amnon to do anything to her.
WEB - Amnon was so vexed that he fell sick because of his sister Tamar; for she was a virgin; and it seemed hard to Amnon to do anything to her.
YLT - And Amnon hath distress -- even to become sick, because of Tamar his sister, for she `is' a virgin, and it is hard in the eyes of Amnon to do anything to her.