1.be known to sb. 在……中出名
【例句】He was known to have invented many things．＝It was known that he had invented many things．人们都知道他已经发明了很多东西。
【总结】其后接表示人的词语。“（人们都）知道”，其后接动词原形。
2.be known in在某地很著名
【例句】He is well-known in the town where he was born． 他在自己出生的那个镇子上很出名。
【总结】be known in 后面一般接表地点名词。
【词语辨析】be known as, be known for, be known to, be known in
这些都是be kown与不同介词搭配的词组。
