She is the loveliest girl that I have ever seen.
她是我见过的最可爱的女孩。
John is the cleverest student that I have ever known.
汤姆是我知道是最聪明的学生。
She is the most interesting person that I have ever heard.
她是我听过的最有趣的人。
He is the most generous man that I have ever met.
他是我遇见过的最慷慨的人。