either
- det./pron.(两者中的)任何一个;(两者中的)每个，各方
- adv.(补充时说)而且;(对两事物的选择)要么…要么，不是…就是，或者…或者;(用于否定词组后)也
- adj.两者之一的;(两者之中)随便哪一个的;两者中任何一方的
- conj.…呢还是…
eitherpron.
（两者中的）任何一个
one or the other of two; it does not matter which
You can park on either side of the street.
这条街两边都可停车。
You can keep one of the photos. Either of them─whichever you like.
你可以保留一张照片。两张里任选一张——拣你喜欢的。
There are two types of qualification─either is acceptable.
有两种资格证明——任何一种都可以接受。
（两者中的）每个，各方
each of two
The offices on either side were empty.
两边的办公室都是空的。
There's a door at either end of the corridor.
走廊两端各有一道门。
adv.
（用于否定词组后）也
used after negative phrases to state that a feeling or situation is similar to one already mentioned
Pete can't go and I can't either.
皮特不能去，我也不能。
‘I don't like it.’ ‘Me either.’ (= Neither do I.)
“我不喜欢这个。”“我也不喜欢。”
（补充时说）而且
used to add extra information to a statement
I know a good Italian restaurant. It's not far from here, either.
我知道一家很好的意大利餐馆，而且离这儿不远。
（对两事物的选择）要么…要么，不是…就是，或者…或者
used to show a choice of two things
Well, I think she's either Russian or Polish.
嗯，我看她不是俄罗斯人就是波兰人。
I'm going to buy either a camera or a DVD player with the money.
我打算用这笔钱买一台照相机或者DVD机。
Either he could not come or he did not want to.
他要么是不能来要么就是不想来。
either
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1
CONJ-COORD （表示在两者或多者中择其一）或者，要么
You use either in front of the first of two or more alternatives, when you are stating the only possibilities or choices that there are. The other alternatives are introduced by 'or'.They gave money to the Conservative Party either personally or through their companies...
他们要么以个人名义要么通过他们的公司捐钱给了保守党。
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2
CONJ-COORD （用于否定句中）两者都（不），既（不）
You use either in a negative statement in front of the first of two alternatives to indicate that the negative statement refers to both the alternatives....music that fails to be either funny or funky...
既无趣又没有强烈节奏的音乐
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3
PRON （两者之中）任意一个
You can use either to refer to one of two things, people, or situations, when you want to say that they are both possible and it does not matter which one is chosen or considered.There were glasses of champagne and cigars, but not many of either were consumed...
这里有香槟和雪茄，但两样东西都没怎么动。
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4
PRON （用于否定句）两者都(不)
You use either in a negative statement to refer to each of two things, people, or situations to indicate that the negative statement includes both of them.She warned me that I'd never marry or have children.—'I don't want either.'
她告诫我千万不要结婚，也别要孩子。——“这两样我都不想要。”
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5
ADV （用于否定句）也（不），亦（不）
You use either by itself in negative statements to indicate that there is a similarity or connection with a person or thing that you have just mentioned.He did not even say anything to her, and she did not speak to him either...
他甚至一句话也没跟她说，她也没跟他说话。
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6
ADV （用于两个连续否定句的第二句之后，强调两种观点同样重要）而且，还
When one negative statement follows another, you can use either at the end of the second one to indicate that you are adding an extra piece of information, and to emphasize that both are equally important.Don't agree, but don't argue either...
别同意，但是也别争辩。
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7
DET (两者中的)每个，各方
You can use either to introduce a noun that refers to each of two things when you are talking about both of them.The basketball nets hung down from the ceiling at either end of the gymnasium...
篮筐分别从体育馆两头的天花板上悬吊下来。
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You may take either of the two .
你可以从两个中间挑任何一个。
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I don 't think either of them are at home .
我想他们中任何一个都不在家。
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In this business , either you 've got it or you haven 't.
在这件事上，你不是成功了就是失败了。
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There are two types of qualification ─ either is acceptable .
有两种资格证明——任何一种都可以接受。
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Is there any hard evidence either way ?
不管正反，有什么确凿证据吗？
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Well , I think she 's either Russian or Polish .
嗯，我看她不是俄罗斯人就是波兰人。
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There is a large window on either side of the front door .
前门两侧各有一个大窗户。
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You can park on either side of the street .
这条街两边都可停车。
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So you didn 't get a job either ? Join the club !
那么你也没找到工作？咱们彼此彼此！
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There 's a door at either end of the corridor .
走廊两端各有一道门。
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The game could swing either way .
这场比赛胜负未卜。
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What it comes down to is , either I get more money or I leave .
归结起来就是：不给我加薪，我就辞职。
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The contract can be terminated by either party with three months ' notice .
合同的任何一方如提前三个月通知，均可终止本合同。
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You can vote either in person or by proxy .
你可以亲自投票或请人代理。
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The young men were assessed as either safe or unsafe drivers .
这些年轻人被评定为谨慎驾驶员和不谨慎驾驶员两类。
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Large television screens were positioned at either end of the stadium .
体育场的两端安装了大型电视屏幕。
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Pete can 't go and I can 't either .
皮特不能去，我也不能。
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The offices on either side were empty .
两边的办公室都是空的。
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The spokesman refused either to confirm or deny the reports .
发言人对那些报道不置可否。
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His latest work cannot be categorized as either a novel or an autobiography .
他最近的作品既不属于小说也不属于自传。
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If it 's any consolation , she didn 't get the job , either .
不知道这算不算得上安慰，她也没有得到那份工作。
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He didn 't want to go on the record as either praising or criticizing the proposal .
他不想公开赞扬或批评这项提议。
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He either resigned or was sacked , depending on who you talk to .
他或是辞职了，或是被辞退了，这要看你跟谁讲了。
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You can have the photos with either a gloss or a matt finish .
你可选择用光面或布面相纸洗这些照片。
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Have you had any dealings with any of the suspects , either personally or professionally ?
你是否与任何嫌疑人有过私人或业务来往？
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Does either of the parties want to stop the fighting ?
双方中没有一方想停止战斗吗？
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My digestion ain 't so hot these days , either .
我的消化系统这几天也不怎么对劲儿。
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The judge could have decided either way .
两种结果法官怎样判都有可能。
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Either you can talk to him , or I will
要么你跟他谈，要么我去。
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Life at high school wasn 't a bundle of laughs , either
中学生活也不是充满欢笑。
用于肯定句中，通常置于动词前，与 be 动词、助动词连用时则置于其后。
She also went away.
她也离开了。
He was also wrong.
他也错了。
通常用于肯定句中，置于句末，在正式用法中 too 之前常用逗号隔开。
I'm going, too.
我也去。
These people came from all over Europe and America, too.
这些人来自欧洲各地，也有来自美国的。
It's a more beautiful dress and it's cheaper, too.
这条连衣裙更漂亮，也更便宜。