1. be known for – 表示因为某事而出名或知名。例如：”She is known for her exceptional cooking skills.”（她因出色的烹饪技巧而闻名。）
2. be known as – 表示被认为或被称为。例如：”He was known as a brilliant scientist.”（他被公认为一位杰出的科学家。）
3. be known to – 表示被知道或被知晓。例如：”The secret of the cure has been known to many doctors.”（这个治愈方法的秘密已经被许多医生所知。）
4. be known for – 表示因为某事而出名或知名。例如：”This city is known for its beautiful beaches and vibrant nightlife.”（这座城市因其美丽的海滩和充满活力的夜生活而闻名。）
5. be known to – 表示被知道或被知晓。例如：”The secret of the cure has been known to many doctors.”（这个治愈方法的秘密已经被许多医生所知。）
6. be known for – 表示因为某事而出名或知名。例如：”This city is known for its beautiful beaches and vibrant nightlife.”（这座城市因其美丽的海滩和充满活力的夜生活而闻名。）
7. be known to – 表示被知道或被知晓。例如：”The secret of the cure has been known to many doctors.”（这个治愈方法的秘密已经被许多医生所知。）
8. be known for – 表示因为某事而出名或知名。例如：”This city is known for its beautiful beaches and vibrant nightlife.”（这座城市因其美丽的海滩和充满活力的夜生活而闻名。）
9. be known to – 表示被知道或被知晓。例如：”The secret of the cure has been known to many doctors.”（这个治愈方法的秘密已经被许多医生所知。）
10. be known for – 表示因为某事而出名或知名。例如：”This city is known for its beautiful beaches and vibrant nightlife.”（这座城市因其美丽的海滩和充满活力的夜生活而闻名。）
这些固定搭配可以帮助你更自然地使用 “known” 这个单词，使你的口语表达更加地道和流畅。记住，灵活运用这些搭配可以让你的英语听起来更加自然和有力。