have had one's/its day 過時了
    【講解】
    該習語直譯為“擁有某人已經(jīng)過去的一天” 引申為“不再擁有,不再成功,過時了”。
    【對話】
    A:I want to buy a trpewriter.
    A:我想買臺打字機。
    B:Don't be silly. The typewriter has had its day. Don't you know the computer has replaced it?
    B:別傻了。打字機已經(jīng)過時了。難道你不知道計算機已經(jīng)替代打字機了嗎？
    A:But if there's a power failure, you can still work with it.
    A:如果停電的話，用打字機還是可以工作的。
    B:It depends on you.
    B：隨你吧。