就以fastest為例吧，

來源: 於 2015-02-03 12:24:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

我要介紹某個運動員一直是他隊裏跑得最快的。
He has been the fastest runner in his team. 說的是他曾經是最快的，還是他不光曾經，且至今都仍然是呢？