傅淼的回答：

1 be famous at=be a famous hand at善于 2 be famous for 因为...而著名 3 be famous as 以...而著名 4 be famouse to=be popular to 在...的人群中著名 这几个是比较常用的短语......

－－...的回答：

he is very famous as a writer他作为一个作家，很有名

邵斯文的回答：

通常接for 和as，分别为： be famous for是以什么出名 China is famous for it's delicious food. be famous as是作为什么出名 如Jay Zhou is famous as a pop singer.

郑楚然的回答：

通常接for 和as，分别为： be famous for是以什么出名 China is famous for it's delicious food. be famous as是作为什么出名 如Jay Zhou is famous as a pop singer.