重点讲解：
1. live off
依赖……生活；
eg. I don't know how she manages to live off her painting.
我不知道她怎么能以画画为生Z&#iY!n-2s#i~f。
eg. The whole population of the village live off tourism.
全村的人都以旅游业为生I)LNj|L.v=[-;。
2. hear from
听说；从…听到；
eg. What are you hearing from people there?
你在那里都听到人们说了些什么？
When they did not hear from her, they feared the worst.
他们那时听不到她的消息，唯恐发生了最糟的事dt31clZ+IU=]D。
3. be famous for
因 ... 而闻名；
eg. Dunhuang is famous for its mural art.
敦煌以它的壁画艺术而闻名STEgJ6%@3v@。
eg. He is famous for the excellence of his fine arts.
他以优秀的美术作品而闻名rSrp=FS,F%jkY!。