高三英語：once & one的一些常見習語

once

once again / once more 再一次

It once again proves that the trend of history cannot be stemmed.

這再一次地證明，歷史的潮流是誰也阻擋不了的。

注：不要把once again和once and again混淆，once and again作“再三；好幾次”解，如：

Why did you make this kind of mistake once and again. 你為什么再三犯這樣的錯誤？

once (and) for all 一次了結(jié)地；永遠不再；一勞永逸地

This is not something that can be completed once for all. 這不是件可以一勞永逸的事情。
one

one and all 全部；大家

I would like to thank you, one and all. 謝謝大家。[常用于對一群人講話的場合]

one and the same 同一個（的）；完全一樣（的）

Dr Jekyll and Mr Hyde were one and the same person. 吉基爾博士和海德先生是同一個人。

one in a thousand 千里挑一的人或物；稀有的人或物

She is one in a thousand. She does her work quickly and conscientously and can always be relied on. 她這個人是極為難得，干活利索認真，又總是那么可靠。

Ultimately, you’ll realize that pleasure and pain can be ______.

A. one and all

B. one and same

C. one and the same

D. one in a thousand