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 any thing to her.
NASB: Amnon was so frustrated because of his sister Tamar that he made himself ill, for she was a virgin, and it seemed hard to Amnon to do anything to her.
KJV: And he said unto him, Why art thou, being the king's son, lean from day to day? wilt thou not tell me? And Amnon said unto him, I love Tamar, my brother Absalom's sister.
NASB: He said to him, "O son of the king, why are you so depressed morning after morning? Will you not tell me?" Then Amnon said to him, "I am in love with Tamar, the sister of my brother Absalom."
KJV: So Amnon lay down, and made himself sick: and when the king was come to see him, Amnon said unto the king, I pray thee, let Tamar my sister come, and make me a couple of cakes in my sight, that I may eat at her hand.
NASB: So Amnon lay down and pretended to be ill; when the king came to see him, Amnon said to the king, "Please let my sister Tamar come and make me a couple of cakes in my sight, that I may eat from her hand."
KJV: So Tamar went to her brother Amnon's house; and he was laid down. And she took flour, and kneaded it, and made cakes in his sight, and did bake the cakes.
NASB: So Tamar went to her brother Amnon's house, and he was lying down. And she took dough, kneaded it, made cakes in his sight, and baked the cakes.