This is impossible
　　　
　　A psychiatrist met a friend and exclaimed, "I heard you died."
　　"But you see I'm alive ," smiled the friend.
　　"This is impossible," said the psychiatrist. "The man who told me is much more reliable than you."

这不可能

　　一个精神病医生碰见了一个朋友，惊叫道：“我听说你死了。”
　　“但你现在看见我活着。”朋友笑着说。
　　“这不可能，”医生说，“那个告诉我的人比你要可信的多。