one/wʌn/

n C

1. 一， 1

2. 一个(人或物)

• Only one person came. 只有一个人来了。

3. 一时；一分；一岁；一元

• one o'clock 一点钟

4. (用于章、页、行数等词之后)第一

• Lesson One 第一课

词组all in one 合在一起；一致地

• She is president, treasurer and secretary all in one. 主席、会计和秘书都由她一个人兼任。

at one 与...意见一致

• They are at one on that point. 在那一点上他们是一致的。

for one 就个人来说；举个例来说

• I for one think he's right. 就我个人而言，我认为他是对的。

for one thing 一则…，首先…

• I didn't care much for his speech: for one thing,the subject was not particularly interesting;for another, his delivery was bad. 我不大喜欢他的发言：一则题目没什么意思，二则他讲得不好。

in ones and twos 三三两两地

• They left in ones and twos. 他们三三两两地离去。

one and all 每个人，全体

• A Merry Christmas to one and all! 祝大家圣诞快乐!

one by one 逐一地，陆续地

• Let's get on the bus one by one. 让我们一个一个地上车吧。

ten to one 十有八九

• Ten to one it will rain tomorrow. 十有八九明天会下雨。