One

我需要笔。你能借我一支吗?

"to pull one's leg"(同某人开玩笑)是惯用语。

他是唯一能帮助你摆脱困境的人。

这是我给你的那一个吗?

这儿有两支钢笔;这支给你,另一支给你妹妹。

one pron, det 1 1; one less than two; a single 1, 一（个）; 单个 I've got two brothers and one sister. 我有两个弟弟和一个妹妹. There's only one piece of cake left. 只剩下一块饼了. Book One, Chapter One, ie the first chapter of the first book 第一册, 第一章 One of my friends lives in Brighton. 我有个朋友住在布赖顿. One of the girls brought her sister. 那些姑娘有一个把妹妹带来了. 2 (a) (esp of periods of time) a particular but unspecified （尤指时间的段）某一（但非特指某时间） one day/morning/afternoon/evening/night last week 上星期的一天[一个上午/一个下午/一个晚上/一夜] One day (ie At an indefinite time in the future) you'll be glad she left you. 有朝一日你就庆幸她离开了你. One morning in June... 六月的一个早晨.... (b) (used for emphasis and always stressed 用以加强语气, 必须重读) a particular (person or thing) 某（人或物） The `one way to succeed is to work hard and live a healthy life. 成功的唯一途径是勤奋及过健康的生活. No `one of you could lift that piano, ie Two or more of you would be needed. 你们一个人谁也抬不动那架钢琴. 3 (usu fml 通常作文雅语) (used with somebody's name to show that the speaker does not know the person 用於姓名之前表示说话者不知其人) a certain(5) 某; 某个; 某位 One Tim Smith (Cf 参看 A Mr Smith) called to see you but you were out. 有个叫蒂姆?史密斯的来过电话找你, 你不在. The author of the anonymous article turned out to be one Stanley Carter. 那篇匿名文章的作者原来是个叫作斯坦利?卡特的人. 4 (used with the other, another or other(s) to show a contrast 与the other、 another或other(s)连用表示对比、 对照或区别) The two girls are so alike that strangers find it difficult to tell (the) one from the other. 那两个女孩儿像极了, 外人难以分清她们谁是谁. I see you add the egg before the milk. That's `one way of doing it, ie suggesting there are other and possibly better ways. 我看见你先加鸡蛋後放牛奶. 这是一种做法（言外之意, 可能有别的、 更好的做法）. I'm sorry I can't help you. For one thing (ie As a first reason) I'm in a hurry, and for another I have a bad back. 对不起, 我帮不了忙. 一来我有急事, 二来我後背有毛病. 5 the same 同一: They all went off in one direction. 他们都往同一方向走了. After the union meeting the workers were all of one mind, ie all had the same opinion. 工会开过会後, 工人们都心齐了（获得共识）. 6 (infml 口 esp US) (used instead of a or an to emphasize the n or phrase that follows it 代替a或an以强调其後的名词或词组) That's one handsome guy. 那是个漂亮的小伙子. It was one hell of a match, ie a very good and exciting match. 那?quot;热始? 7 (idm 习语) be all one to sb => all3. be at `one (with sb/sth) be in agreement (with sb/sth) （与某人[某事物]）相同, 一致 I'm at one with you/We are at one on this subject, ie Our opinions are the same. 在这个问题上我和你[我们]意见一致. get one over sb/sth (infml 口) gain an advantage over sb/sth 胜於或优於某人[某事物] They got one over us in the end by deciding to speak in German. 他们决定说德语, 终於略胜我们一筹. get sth in `one (infml 口) immediately be able to give an explanation, solve a problem, etc 马上能作出解释、 解决问题等 `We have to attract younger customers.' `Exactly, you've got it in one!' ｀我们得设法吸引年轻顾客.＇｀太对了, 你真是一语中的!＇ I, you, etc/sb for `one certainly I, you, etc/sb 我[你/某人]就是 I for one have no doubt that he's lying. 起码我就深信不疑他撒谎. Lots of people would like to come -- your mother...

*[wʌn]n. 一(个)pron. 一, 任何人num. 一, 一个a. 一致的, 完整的相关词组: one day one night one morning pull a fast one on sb be at one for one in one in the year one lay one on sb never a one one after another one after the other one and all one and only one and the same one another one by one one of these days one of these fine days one or other one or two one too many become one be one-up on sb