be known as和be known for和be known to的区别为：含义不同、用法不同、侧重点不同。
一、含义不同
1.be known as
释义：以...知名； 被认为是； 称为。
2.be known for
释义：因...而著名。
3.be known to
释义：为…所熟知。
二、用法不同
1.be known as
用法：作为...闻名。
例句：
You wanna be known as a coward or as a hero?
你想是个懦夫还是个英雄？
2.be known for
用法：因...闻名。
例句：
Get to France, see world to be known for the Ai non-Er iron pagoda.
到法国，看看世界闻名埃非尔铁塔。
3.be known to
用法：为...所知。
例句：
Whatever lay beyond would not be known to me.
不管死后怎样我都不会知道了。
三、侧重点不同
1.be known as
解析：后面一般接人物的职业或称号。
2.be known for
解析：后接原因。
3.be known to
解析：后接某些人，团体或地域。
be known as，be known for，be known to的意义、用法和读音不同如下：
一、意义不同
1.be known as
释义：以...知名； 被认为是； 称为。
2.be known for
释义：因...而著名。
3.be known to
释义：为…所熟知。
二、用法不同
1.be known as
用法：be known as是接职业，但它还有另外一个意思被称为。
例句：Will I be known as the philosopher?
译文：会推崇我是个哲学家？
2.be known for
用法：be known for指因为什么事情或者事儿出名。
例句：The result of the ballot will not be known for two weeks.
译文：无记名投票的结果将于两周后公布。
3.be known to
用法：be known as指因为做什么职业而出名。
例句：He let his preference be known to the press.
译文：他向记者公开了他的偏好。
三、读音不同
1.be known as
读音：英 [bi nəʊn æz] 美 [bi noʊn æz]
2.be known for
读音：英 [bi nəʊn fɔː(r)] 美 [bi noʊn fɔːr]
3.be known to
读音：英 [bi nəʊn tu] 美 [bi noʊn tu]
本回答被网友采纳一、发音。
1、be known as
英 [bi: nəʊn æz] 美 [bi non æz]
2、be known for
英 [bi: nəʊn fɔ:] 美 [bi non fɔr]
3、be known to
英 [bi: nəʊn tu:] 美 [bi non tu]
二、意义或含义。
1、be known as
v.号称;被认为是;叫做
2、be known for
v.因…而众所周知
3、be known to
为…所熟知;名字被记录在案
三、用法实际运用举例：单词的位置和句子成分及不同含义。
1、be known as
Will I be known as the philosopher?
会推崇我是个哲学家？
And I do not afraid that I will be known as pure adventurer.
我不害怕，我将成为纯粹的冒险家众所周知的。
I said, what you typed on the list. I will be known as one.
她说会。我说，哪你打字就行了，一会又叫我。
2、be known for
What was our motto? What did we want to be known for?
什么是我们的座右铭是什么我们要知道？
I want to know everything, but realize that nothing can ever be known for sure.
我想知道的一切，但实现没有什么可以被称为肯定。
What they really think, however, will not be known for some time.
然而，他们的真实想法在一段时间内仍不得而知。
3、be known to
They must be known to all and applied equally to all.
它们必须为所有各方所了解，并平等适用于所有各方。
They will be known to all as husband and wife.
使他们成为丈夫和妻子。
It can not be known to be true just by consulting my ideas of billiard balls and movement.
仅仅通过对台球和其移动的自我意识探求并不能判断对错。
本回答被网友采纳