Both of his winning times were world bests.他的成绩均为世界最好成绩.He bests me in the mathematics.他在数学方面超过我.All three of these performances were new personal bests for these two athletes.所有这三场比赛的表现是这两名运动员的最佳个人成绩....
It's one of the nicest feelings you can possibly have.这是一种极其美妙的感觉。She's got the nicest little house not far from the library.她有一幢非常漂亮的小房子，就在离图书馆不远处。She was the nicest person I know.她是我所认识的最和善的人....