be known是被动语态结构。用法深度于后面的几个介词as、for 、to或by上。现在一一给予深度解析：
1.be known as常常翻译为：以...知名（闻名）； 被认为（誉为、称为）是
例如
She is known as a great beauty.
她是出了名的大美女。《柯林斯高阶英汉双解学习词典》
He is known as a great writer. 他被称作伟大的作家。
The Great Wall of China is known as one of the seven wonders of the world.中国长城被誉为世界七大奇迹之一。
Janis Joplin was known as the High Priestess of Rock.
贾尼斯∙乔普林就是众所周知的摇滚乐大师。
Friday 31 July 1925 henceforth became known as ‘ Red Friday ’.
1925年7月31日这个星期五从此以后就称为“红色星期五”。
She was known as the ‘ Iron Lady ’.
大家都称她为“铁娘子”。
Miriam Makeba became known as Mama Africa.
米丽娅姆∙马凯巴被称为“非洲之母”。
This area of town is known as the Bermuda Triangle because drinkers can disappear into the pubs and clubs and be lost to the world.
城里的这一地区称作“百慕大三角”，因为酒徒进入这里的酒吧和夜总会后一时间消失得无影无踪。
This design came to be known as the Oriental style.
这种设计后来被称为东方风格。Christopher is commonly known as Kit.
克里斯托弗通常被称为基特。
以上7例摘自《牛津高阶英汉双解词典》
The disease is more commonly known as Mad Cow Disease
这种疾病更通俗的名称是疯牛病。
Internet addresses are also known as URLs.
网址也被称作URL。
Brindley was known as a very, very fast driver
众所周知，布林德利是个喜欢飞车的人。
She'll be interrogated, jailed, interrogated again, get what's usually known as the full treatment.
她将被审问，监禁，然后再被提审，接受通常所说的“全套款待”。
He became known as the enfant terrible of British theater.
他成为英国戏剧界让人头痛的天才。
In March 1770, there occurred what became known as the Boston Massacre.
1770年3月在那里发生了后来闻名的波士顿惨案。
During the Soviet era and its immediate aftermath, the region was officially known as 'Middle Asia and Kazakhstan'.
在苏联时代和紧随其后的一段时期，该地区的官方名称为“中亚和哈萨克斯坦”。
He was known as Mad Shelley partly because of his eccentricity and partly because of his violent temper
大家都叫他“疯子谢利”，部分因为他的古怪，部分因为他火爆的脾气。
2. be known for因…而闻名。后面加出名的原因。
例如：
Italian cooking is best known for savoury dishes.
意大利菜以辛辣菜系最为出名。
savoury /ˈseɪvəri/
adj.咸味的；美味的；香的；好吃的；咸口的；好闻的；辛辣的
n.(在聚会等活动中常吃的)咸味小吃
Gillespie is well known for his impish sense of humour.
吉莱斯皮以他精灵搞怪的幽默感而广为人知。
He is known for his elaborate costumes.
他以着装精致而闻名。
elaborate /ɪˈlæbərət , ɪˈlæbəreɪt/
adj.
复杂的；详尽的；精心制作的
v.
精心制作；详细描述；详尽阐述；详细制订
costume /ˈkɑːstuːm/
n.服装；(某地或某历史时期的)装束；(戏剧或电影的)戏装；泳会, 游泳衣；(特定场合穿的) 成套服装
v.为…提供服装；给…设计服装；给(某人)穿上特殊服装
adj.(戏剧)古装的；与服装匹配的；化装穿戴的，表现服装特色的
He is known for his optimistic can-do attitude
他因乐观敢闯而闻名。
optimistic /ˌɑːptɪˈmɪstɪk/
adj.乐观的；抱乐观看法的
He was known for his frankness.
他以坦率而著称。
She is best known for her work on the human brain.
她在对人脑的研究方面最为知名。
Her later career was best known for her partnership with Rudolf Nureyev.
在她职业生涯后期，最为人熟知的是和鲁道夫·努列耶夫的搭档组合。
partnership /ˈpɑːrtnərʃɪp/
n.伙伴关系；合作；合伙企业；合作关系；合伙人身份
He is best known for his chilling portrayal of Hannibal Lecter.
他以饰演令人毛骨悚然的汉尼拔∙莱克特而著称。
chilling /ˈtʃɪlɪŋ/
adj.(常与残暴有关)令人恐惧的，令人害怕的
v.(使)冷却；(被)冷藏；使冰冷；使恐惧；使很冷；恐吓；吓唬
chill的现在分词
portrayal /pɔːrˈtreɪəl/
n.描绘；描述；描写；展现方式
The French are known for their love of their language.
法国人热爱自己的语言是出了名的。
He is better known for his film and TV work.
他的影视作品更为出名。
Berlin was well known for its good living in between the two world wars.
在两次世界大战之间，柏林生活的优裕是众所周知的。
Ginseng is generally known for its tonic properties.
人参以其滋补功效而广为人知。
ginseng /ˈdʒɪnseŋ/
n.人参；西洋参
tonic /ˈtɑːnɪk/
n.补品；补药；滋补品；主音；奎宁水，汤力水(一种味微苦、常加于烈性酒中的有气饮料)；护肤液；护发液；使精神振奋的东西；语调音节，语调核心
adj.滋补的；强直的；主音的；使精神振作的
property /ˈprɑːpərti/
n.财产；性质；房地产；不动产；财物；庄园；所有物；房屋及院落
Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun
臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。
ozone /ˈəʊzəʊn/ n.臭氧；海边的清新空气
He was known for his unconventional behaviour
他的特立独行是众所周知的。
She was known for the quickness of her wit.
她以头脑灵活见称。
She is not exactly known for her tact.
她并不以策略见称。
The gallery was known for putting on daring exhibitions.
该画廊以其举办的大胆画展而享有盛名。
He is known for his political savvy and strong management skills.
他以睿智的政治头脑和强势的管理手腕出名。
The company is known for its high-quality products.
该公司以其优质的产品而闻名。
Little companies are known for their pluck and perseverance, even in the face of a recession.
小公司的勇气和坚毅是出了名的，即使面对经济衰退也是如此。
pluck /plʌk/
v.摘；拔；弹，弹拨(乐器的弦)；拔掉，退去(死禽的毛)；抢夺；解救
n.胆识；胆量；意志
perseverance /ˌpɜːrsəˈvɪrəns/
n.毅力；不屈不挠的精神；韧性
The band is known for its energetic live performances. 这个乐队以其精力充沛的现场表演而闻名。
James Bond is known for his sophistication, his style and his sense of class.
举止优雅、风度翩翩且派头十足是詹姆斯·邦德一贯的形象。
sophistication /səˌfɪstɪˈkeɪʃn/
n.世故；复杂度；高水平；复杂巧妙
Mahler was also known for his passionate involvements outside marriage.
马勒也因为其轰轰烈烈的婚外情而出名。
passionate /ˈpæʃənət/
adj.热情的；狂热的；热诚的；情意绵绵的；怒不可遏的；拥有(或表现出)强烈性爱的
involvement /ɪnˈvɑːlvmənt/
n.
参与；加入；投入；插手；恋爱；性爱；沉迷；耗费时间
3. be known to +人或团体、地方、时代等（此时known是形容词）
为……所知；
这个用法，相当于be known by+施动者，（被动语态）
Lead was one of the metals known to the ancient world
铅是早在古代就已知的金属之一。
lead /liːd , led/
v.领导，引领；导致，造成（后果）；控制，掌管；过（某种生活）；通向，通往；(与……)相连，相通；处于首位，处于领先地位；诱使；误导；带路，领路；最擅长于；使得出（观点）；开牌，率先出牌；用测深锤测水深；用铅包，在……中衬铅
n.铅；(竞赛中的)领先地位；线索；主角；电线；实例；榜样；（牵狗用的）皮带，链条，绳索；范例；铅笔芯；超前量；领先的距离
n.指引，领导；
adj.领导的，领先的，带领的；铅制的，含铅的；(新闻报道等)刊登在显著地位的，最重要的；被牵引的，受指引的；
You should also make your views known to your local MP.
你也应该让本地议员了解你的观点。
He let his preference be known to the press.
他向记者公开了他的偏好。
preference ˈprefrəns/
n.偏爱；喜爱；爱好；偏爱的事物；最喜爱的东西
Although he is known to only a few, his reputation among them is very great
虽然知道他的人不多，但他在这些人中名声却很响。
reputation /ˌrepjuˈteɪʃn/
n.名誉；名声
It will be known to everybody in the course of time. 过一段时间人人都会知道。
Even when you are short of time, don’t let it be known to the other person. 即使你没有太多的时间，也不要让别人知道。
Whatever lay beyond would not be known to me. 不管死后怎样我都不会知道了。
He was known to the police because of his previous criminal record.
他因为以前的犯罪记录而为警察所知。
He was well known to all and sundry.
每个人都很熟悉他。
I don’t think he’s known to anybody here.
我认为这里谁也不认识他。
注意：be known+带to的动词不定式；表示做某事是广为人知的；……众所周知；据悉，据知
She is known to hold strong views on Cuba
她在古巴问题上的鲜明观点人人皆知。
The drug is known to produce side-effects in women
据悉，这种药会对女性产生副作用。
Exposure to lead is known to damage the brains of young children.
众所周知，接触铅对幼儿的大脑有害。
Increasing gravity is known to speed up the multiplication of cells.
我们知道不断增加的引力会加速细胞的分裂。
She is known to have liberal views on divorce and contraception.
众所周知，她在离婚与避孕方面思想很开明。
contraception /ˌkɑːntrəˈsepʃn/
n.避孕(法)；节育(法)
Governments have been known to snoop on innocent citizens.
有些政府窥探无辜公民的生活——这一事实已经众所周知。
snoop /snuːp/
vi.窥探；探听；打探
n.窥探；窥探者；打探他人私事的人
If his patience is tried at meetings he has been known to stalk out.
大家都知道如果他在会议上失去耐心，便会愤怒离席。
stalk /stɔːk/
n.秆；(叶或果实)柄；(植物的)茎；(花)梗；(动物的)肉柄；肉茎
v.(非法)跟踪；盯梢；潜近(猎物或人)；偷偷接近；怒冲冲地走；趾高气扬地走；令人厌恶地穿过
Gates is known to be a superb analyst with a sharp eye and an excellent memory.
盖茨是公认的杰出分析家，他目光敏锐且记忆力超群。
superb /suːˈpɜːrb/
adj.棒 极 了；极佳的；卓越的；质量极高的
Tosh was known to be a man who would cuss and shout
托什是（公认的、出了名的）一个遇事喜欢又嚷又骂的人。
Tosh was known to be a man who feared no-one, yet he was clearly emasculated by his girlfriend.
托什是出了名的天不怕地不怕，但是他明显被他的女朋友驯服帖了。
emasculate /iˈmæskjuleɪt/
vt.削弱；使无男子气；使(男人)柔弱；使无力；使失去效力
adj.阉割过的；无男子气的；删削了的
Children are enthralled by his stories; he has been known to fill theatre halls in Australia.
孩子们为他的故事所着迷；众所周知他在澳大利亚总是场场爆满。
enthral /ɪnˈθrɔːl/
v.迷住；吸引住
I have been known to faint at the sight of blood.
大家都知道，我看到血就会昏倒。
faint /feɪnt/
vi.昏倒；昏厥
adj.(光、声、味)微弱的，不清楚的；微小的；昏眩；不热情的；可能性不大的；不积极的
n.昏厥
He's known to be an outstanding physicist.
他被公认为杰出的物理学家。
He is known to have consorted with prostitutes.
众所周知他曾与妓女厮混在一起。
consort/ˈkɑːnsɔːrt , kənˈsɔːrt/
n.(统治者的)配偶；一组(演奏几世纪前音乐的乐师)
vi.厮混；鬼混
4.be known by+施动者；典型的被动语态
为……所知，为……所熟悉（认识）
此时，相当于be known to +人或团体、地方、时代等（此时known是形容词）
为……所知
请看：
Huangjiguang's gallant deed is known by/to all men.
黄继光的英勇事迹尽人皆知。
gallant /ˈɡælənt , ɡəˈlænt/
adj.英勇的；(尤指在困境中)勇敢的；对女子殷勤的
n.(尤指对女子殷勤的)时髦男子
I don’t think he’s known by/ to anybody here.
我认为这里谁也不认识他。
That man is known by/to Jim.
吉姆认识那个男人。
He’s known to the police as a criminal.
警方知道他是个罪犯。
be known by+主语的一个东西如：艺名，洗礼名，头衔等等
以……为所知；以……来称呼为；
He was the only boy in the school who was known by his Christian name and not his surname.
他是学校里唯一一个被称呼洗礼名而不是姓氏的男孩儿。
Christian /ˈkrɪstʃən/
adj.基督教的；基督教徒的；信奉基督教的；慈善的；仁慈的；友爱的；有基督教徒品行的
n.基督徒；基督教徒
surname /ˈsɜːrneɪm/
n.姓
vt.给…加姓
The actor is better known by his professional name.
那位演员的艺名更为人们所知。
A tree is known by its fruit.
以树的果实来称呼树名。