one-off

汉语翻译

a. 一次性的
n. 一次性事物
【经】 专为某一顾客的需要特制的

英语解释：

名词 one-off:

1. a happening that occurs only once and is not repeated

例句：

1. Her novel was just a one-off -- she never wrote anything as good as that again.
   她的小说是她绝无仅有的作品--後来她再也没写出那样好的东西。

详细解释：

one-off

adj.Chiefly British （形容词）【多用于英国】
Happening, done, or made only once.
一次性的：曾经只发生或做过一次的
n.（名词）
Something that is not repeated or reproduced.
一次性事物：不能重复或不可以再生的事物