which

pron.

det.

1. 哪一个；哪一些
   used in questions to ask sb to be exact about one or more people or things from a limited number
   1. Which is better exercise─swimming or tennis?
      游泳和网球，哪种运动比较好？
   2. Which of the applicants has got the job?
      哪一位应聘者得到了这份工作？
   3. Which of the patients have recovered?
      哪些患者已经康复了？
   4. Which way is the wind blowing?
      风朝哪个方向刮？
2. （明确所指的事物）…的那个，…的那些
   used to be exact about the thing or things that you mean
   1. Houses which overlook the lake cost more.
      俯瞰湖泊的房子要价高些。
   2. It was a crisis for which she was totally unprepared.
      这是一场她完全没有防备的危机。
3. （进一步提供有关某事物的信息）那个，那些
   used to give more information about sth
   1. His best movie, which won several awards, was about the life of Gandhi.
      他最优秀的电影，就是荣获几项大奖的那一部，是关于甘地生平的。
   2. Your claim ought to succeed, in which case the damages will be substantial.
      你的索赔应当能成功，假如这样的话，损害赔偿金将会相当可观。

Usually pronounced /wɪtʃ/ for meanings 2, 3 and 4. 义项2,3和4在句中通常不作重读。


1. QUEST (用于疑问句中)哪个，哪些
   You use which in questions when there are two or more possible answers or alternatives.
   1. Which do they want me to do? declare war or surrender?...
      他们想让我做什么,宣战还是投降？
   2. Which are the ones you really like?...
      哪些是你们真正喜欢的？
   3. 'You go down that passageway over there.' — 'Which one?'...
      “你沿着那条过道走过去。”——“哪条过道？”
   4. Which vitamin supplements are good value?
      哪种维生素补充片好？
2. DET (用于指明在两个或多个答案或选项中所作出的选择)哪个，哪些
   You use which to refer to a choice between two or more possible answers or alternatives.
   1. I wanted to know which school it was you went to...
      我想知道你上的是哪所学校。
   2. I can't remember which teachers I had...
      我记不清哪些老师教过我。
   3. Scientists have long wondered which parts of the brain are involved in musical tasks.
      科学家们一直想知道大脑的哪些部分是用来处理音乐的。
   4. Which is also a conjunction.
      
   5. In her panic she couldn't remember which was Mr Grainger's cabin...
      在慌乱中她记不清哪个是格兰杰先生的船舱。
   6. There are so many diets on the market, how do you know which to choose?
      市场上有如此多的食物，你怎么知道该选哪些呢？
3. PRON-REL (用于关系从句句首，具体说明所谈论的事物或提供关于它的更多信息)
   You use which at the beginning of a relative clause when specifying the thing that you are talking about or when giving more information about it.
   1. Soldiers opened fire on a car which failed to stop at an army checkpoint...
      士兵向那辆拒绝在军事检查站停车检查的汽车开了火。
   2. He's based in Banja Luka, which is the largest city in northern Bosnia...
      他驻扎在波斯尼亚北部的最大城市巴尼亚卢卡。
   3. Colic describes a whole variety of conditions in which a horse suffers abdominal pain...
      绞痛包括引起马匹腹部疼痛的各种病症。
   4. I'm no longer allowed to smoke in any room which he currently occupies.
      我不再被允许在他所在的任何一间屋子里吸烟。
4. PRON-REL (用来回指前面句子表达的观点或状况)这，那
   You use which to refer back to an idea or situation expressed in a previous sentence or sentences, especially when you want to give your opinion about it.
   1. They ran out of drink. Which actually didn't bother me because I wasn't drinking...
      他们把酒喝完了。但实际上这对我来说无所谓，因为我不喝酒。
   2. Since we started in September we have raised fifty thousand pounds, which is pretty good going...
      我们自从9月份开始以来，已经募集到5万英镑，进展相当顺利。
   3. Visited Park West. Viewed a flat, no. 76. Which I like.
      去了中央公园西路，看了一套公寓，76号，我很喜欢。
   4. Which is also a determiner.
      
   5. The chances are you haven't fully decided what you want from your career at the moment, in which case you're definitely not cut out to be a boss yet!
      你此刻很可能尚未完全确立自己的职业目标，在这样的情况下你当然还不适合成为老板！
5. PHRASE 哪个是哪个(用于表示无法区分)
   If you cannot tell the difference between two things, you can say that you do not know which is which .
   1. They all look so alike to me that I'm never sure which is which...
      对我来说他们看起来全都非常相似，我永远搞不清哪个是哪个。
   2. It's essential to know which is which as treatments will be quite different.
      由于治疗的方法将会全然不同，因此弄清楚哪个是哪个很重要。
6. any which way → see: way

1. I discovered an addiction to housework which I had never felt before.
   我发现自己迷上了做家务，之前我从没有这种感觉。
2. This is a common fallacy which has no basis in fact.
   这是一个没有事实依据的常见谬误。
3. Which brings me to a delicate matter I should like to raise
   这就把我带到了一个我想提及的敏感问题上。
4. It was this issue which led to the deposition of the king.
   正是这件事导致了国王被废黜。
5. I rewrote his rough draft, which was published under my name
   我把他的草稿重新改写，并以我的名字发表了。
6. It was a place to which genteel families came in search of health and quiet.
   这是上流社会家庭寻求健康和静谧的场所。
7. I went to the room which he had called the nuptial chamber.
   我走进了他称之为洞房的房间。
8. To a society which has lost its orientation he has much to offer
   对于一个迷失了方向的社会，他能做的有很多。
9. I had papers relating to the children which my wife and I had to sign.
   我有一些关于孩子的文件需要我和妻子签字。
10. This is a reversion to the system under which the Royals were paid for nearly 300 years.
    又恢复了旧时的体制，王室就是在这种制度下接受了近300年的俸禄。
11. Physics is the best example of a science which has developed strong, abstract theories.
    物理学是自然科学中发展出了强有力的抽象理论的最好例子。
12. I verified the source from which I had that information
    我核实了我所获消息的来源。
13. Which do they want me to do? declare war or surrender?
    他们想让我做什么，宣战还是投降？
14. Which are the ones you really like?
    哪些是你们真正喜欢的？
15. 'You go down that passageway over there.' — 'Which one?'
    “你沿着那条过道走过去。”——“哪条过道？”
16. Which vitamin supplements are good value?
    哪种维生素补充片好？
17. I wanted to know which school it was you went to
    我想知道你上的是哪所学校。
18. I can't remember which teachers I had
    我记不清哪些老师教过我。
19. Scientists have long wondered which parts of the brain are involved in musical tasks.
    科学家们一直想知道大脑的哪些部分是用来处理音乐的。
20. Soldiers opened fire on a car which failed to stop at an army checkpoint
    士兵向那辆拒绝在军事检查站停车检查的汽车开了火。
21. He's based in Banja Luka, which is the largest city in northern Bosnia
    他驻扎在波斯尼亚北部的最大城市巴尼亚卢卡。
22. Colic describes a whole variety of conditions in which a horse suffers abdominal pain
    绞痛包括引起马匹腹部疼痛的各种病症。
23. I'm no longer allowed to smoke in any room which he currently occupies.
    我不再被允许在他所在的任何一间屋子里吸烟。
24. They ran out of drink. Which actually didn't bother me because I wasn't drinking
    他们把酒喝完了。但实际上这对我来说无所谓，因为我不喝酒。
25. Visited Park West. Viewed a flat, no. 76. Which I like.
    去了中央公园西路，看了一套公寓，76号，我很喜欢。
26. They all look so alike to me that I'm never sure which is which
    对我来说他们看起来全都非常相似，我永远搞不清哪个是哪个。
27. It's essential to know which is which as treatments will be quite different.
    由于治疗的方法将会全然不同，因此弄清楚哪个是哪个很重要。
28. The work fills ( in) a gap which has hitherto existed in our archaeological literature.
    这部著作填补了我国考古学文献中的一个空白。

det.

which is which

• （区分人或事物）谁是谁，哪个是哪个
  used to talk about distinguishing one person or thing from another
  1. The twins are so alike I can't tell which is which.
     这一对双胞胎长得一模一样，我分不清谁是谁。