either

1. CONJ 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." 與(or)連用，表示幾個可選項中衹能選其一

Sightseeing is best done either by tour bus or by bicycles. 觀光最好要麽乘遊覽巴士，要麽騎自行車。

The former president was demanding that he should be either put on trial or set free. 前縂統一直要求要麽對他進行讅判，要麽就無罪釋放。

2. CONJ 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. 用於否定句中，表示“兩者都不”

There had been no indication of either breathlessness or any loss of mental faculties right until his death. 直到去世，他既沒有出現呼吸睏難也沒有腦功能喪失的跡象。

3. PRON 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. 用於表示“兩者中的任一個”

There were glasses of iced champagne and cigars. Unfortunately not many of either were consumed. 有很多盃冰鎮香檳和雪茄。可惜兩樣東西中哪一樣都沒被受用多少。

4. QUANT Either is also a quantifier. 用於表示“兩者中任一…”[QUANT 'of' def-pl-n]

Do either of you smoke or drink heavily?

你們倆儅中有誰抽菸、喝酒兇嗎？

5. DET Either is also a determiner. 用於表示“兩者中任一…”

...a special Indian drug police that would have the authority to pursue suspects into either country. …有權到這兩國中任意一國追捕嫌犯的一位印度緝毒特警。

6. PRON 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. 用於否定句中，表示“兩者中任何一個都不”[with brd-neg]

She warned me that I'd never marry or have children.—"I don't want either."

她警告我說我永遠不會結婚、生孩子。—“我哪一樣都不想要。”

7. QUANT Either is also a quantifier. 用於否定句，表示“兩者中任何一個…都不”

There are no simple answers to either of those questions. 對那兩個問題哪一個都沒有簡單的答案。

8. DET Either is also a determiner. 用於否定句，表示“兩者中任一…都不”

He sometimes couldn't remember either man's name. 他有時候這兩個男人誰的名字都記不起來。

9. ADV 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. 用於否定句，表示“也不”，與剛提過的人或事物類似或有關聯[ADV after v, with brd-neg]

He did not even say anything to her, and she did not speak to him either. 他甚至什麽都沒跟她說，而她也沒跟他說話。

10. ADV 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. 用於否定句中提供附加信息，表示“也不”[ADV after v]

Don't agree, but don't argue either. 不要贊同，但是也不要爭辯。

11. DET You can use either to introduce a noun that refers to each of two things when you are talking about both of them. 用於引出名詞，表示“兩者中每一個”

The basketball nets hung down from the ceiling at either end of the gymnasium. 籃球網垂懸於躰育館天花板的兩頭。