Helen and Dick are talking about the previous article.
H: I don't understand how people can think Dr. Kevorkian is doing the right thing.
D: Well, helping people die with dignity is not that bad, in it?
H: Don't you know ? Where there is life, there is hope.
D: Come on. Be realistic. Those people who want to die are suffering. It's better that they go quickly and
   painlessly.
H: All you men have no hearts.
D: And all you women have no brains.

We teach our children to momerize/remenber their telepphone number by heart. 默背
Peter is really a kind of man at heart.   at heart 本性上
beat one's brains 绞尽脑汁    I stayed up all night and beat my brains, but I couldn't think of the answer.
understanding = considerate = thoughtful  体谅的
To my understanding, .... = To my knowledge, .... (放句首)就我所知
kangaroo  袋鼠
that bad = so bad
Where there is a will, there is a way. 有志者，事竟成