be famous for的用法

be famous for ：是以.....而著名的意思，如：Gui Lin is famous for its beautiful sights.(桂林以它美丽的风景而著名。）
当主语是表示人的名词时，be famous for表示“以某种知识、技能、作品或特征而出名”，be famous as 则表示“Einstein was famous for his Theory of Relativity.爱因斯坦以他的相对论而著名。

Einstein was famous as a great scientist.爱因斯坦以一位伟大的科学家而著称。

以某身份而出名”。当主语是地点名词时，be famous for 表示“以某种特点（产品）而出名”；be famous as 则表示“以什么样的产地而出名”。如：

Scotland has many lakes and mountains, and is famous for its beautiful countryside.苏格兰有许多湖泊和山脉，并以其乡村美景著称。

The area is famous as a green tea producing place.这个地区以绿茶产地而出名。

(3)当主语是事物名词时，be famous for表示“以其内容、特征、价值等而被人所知”；be famous as 则表示“以某种形式出名”。如：

This grammar book is famous for its practical usage. 这本语法书以其实用性而被人所知。

This book is famous as a reference book.这是一本有名的参考书。

总之，be famous for后的介词是主语的所属内容，而be famous as 后的介词宾语则与主语是同位成分。

希望对你有帮助 祝你天天开心 心想事成 O(∩_∩)O ...

be famous for意为“因为…而出名”，后接出名的原因，如：
Now York is famous for its high buildings. 纽约以高楼大厦而闻名。
He is famous for his novels. 他因他的小说而出名。
be famous as 作为…而出名，前面的主语和后面的名词意思一致
如：Lu Xun was famous as a writer. 鲁迅是位著名的作家。
Hangzhou is famous as a tourist place. 杭州是一个旅游胜地。
be famous for 后接宾语是主语的所属内容，be famous as后接宾语是主语的同位成分。

be famous for 是“以……闻名”的意思，比如Shanghai is famous for its modern style. 上海以其现代风格而闻名。

以……而出名
比如
北京以长城而出名:
Beijing
is
famous
for
Great
wall.

China is famous for the Great Wall.