"be known as"和"be known for"的区别是两者的意思不同。
be known as意思是：被称为；被认为是；以…著称；
而be known for意思是：因…而众所周知
相关用法：be known as后面加的是一个职业或者称号，而be known for后面加的是出名的原因。
be known as的相关短语：
1、be well known as 作为……而着名
2、be generally known as 通常叫做
3、to be widely known as 着称
4、to be known as 被认为是
5、be known as sb 作为…而出名
be known as的相关句子：
1、Microsoft used to be known as the Great Satan when it came to enterprise operating systems.
微软在进入企业操作系统领域的时候被认为是大恶魔。
2、In China, these will be known as credit risk mitigation (CRM) contracts.
在中国，这些将被称为信用风险缓解（CRM）的合同。
3、But he tells ATPWorldTour.com that he prefers to be known as Richard.
但他在接受ATP官网时表示自己最喜欢被称为理查德。
be known for的相关短语：
1、be well known for sth 由于某事出名 ; 因为某事有名 ; 因为某事闻名 ; 因为某事驰名
2、to be well known for 出名
3、be known for sth 以某事物闻名 ; 因…
4、be known for miles around 远近闻名
be known for的相关句子：
1、But she says the recovery of the Gulf is far from complete. The full effects of the oil spill may not be known for years.
但是她表示，墨西哥湾的恢复工作还远远没有完成。石油泄漏的全部影响或许多年后还不能完全知道。
2、The reason for what a certain stock does to-day may not be known for two or three days, orweeks,or months.
原因是某一个特定的股票的变动不可能两三天或者几个星期里，或者几个月内就可以弄清楚的。
3、Final numbers for the holiday season including after-Christmas sales will not be known for a while.
在节日的最后几天包括圣诞节之后的销售量都不如这段时间。