a well-known wit and raconteur的用法和样例：
- Charles Dickens was a well known writer.
- He is a well known doctor who has his own clinic.
- It has become a well known holiday resort.
- Xiao Ming is a well known skinny boy in our school.
- Our store is a well known one and our wares are always dependable.
- Afterwards, he became a well known novelist all over the country.