happen

verb

1. （尤指偶然）发生，出现
   to take place, especially without being planned
   1. You'll never guess what's happened!
      你根本猜不到出了什么事！
   2. Accidents like this happen all the time.
      此类事故经常发生。
   3. Let's see what happens next week.
      咱们等着瞧下一周会怎么样。
   4. I'll be there whatever happens .
      不管发生什么事我都会到那儿的。
   5. I don't know how this happened.
      我不知道这事怎么发生的。
2. （作为结果）出现，发生
   to take place as the result of sth
   1. She pressed the button but nothing happened.
      她按下按钮，但什么反应也没有。
   2. What happens if nobody comes to the party?
      要是没有人来参加聚会，会怎么样呢？
   3. Just plug it in and see what happens .
      就把插头插上，看看会怎么样。
3. 碰巧；恰好
   to do or be sth by chance
   1. She happened to be out when we called.
      我们打电话时她刚巧不在家。
   2. You don't happen to know his name, do you?
      你不会碰巧知道他的名字吧？
   3. It happened that she was out when we called.
      我们打电话时她刚巧不在家。
4. （向对方表示异议或不悦等）
   used to tell sb sth, especially when you are disagreeing with them or annoyed by what they have said
   1. That happens to be my mother you're talking about!
      你们谈论的是我母亲！

1. VERB （偶然）发生，出现
   Something that happens occurs or is done without being planned.
   1. We cannot say for sure what will happen...
      我们无法确定会发生什么事。
   2. The accident happened close to Martha's Vineyard.
      事故发生在玛莎葡萄园附近。
2. VERB （作为结果）发生，产生
   If something happens, it occurs as a result of a situation or course of action.
   1. She wondered what would happen if her parents found her...
      她不知道如果父母找到自己会有什么结果。
   2. He trotted to the truck and switched on the ignition. Nothing happened.
      他匆匆走向卡车并转动点火开关，结果没有任何反应。
3. VERB （尤指不愉快的事）发生（在…身上）;(某人)遭到;遇到
   When something, especially something unpleasant, happens to you, it takes place and affects you.
   1. If we had been spotted at that point, I don't know what would have happened to us...
      如果当时我们被发现了，我不知道会有什么后果。
   2. It's the best thing that ever happened to me.
      这是我所遇到的最好的事情了。
4. VERB 碰巧;凑巧
   If you happen to do something, you do it by chance. If it happens that something is the case, it occurs by chance.
   1. We happened to discover we had a friend in common...
      我们凑巧发现我们有一个共同的朋友。
   2. I looked in the nearest paper, which happened to be the Daily Mail...
      我仔细看了一下离自己最近的那份报纸，正巧是份《每日邮报》。
   3. If it happens that I'm wanted badly somewhere, my mother will take the call and phone through to me here.
      如果凑巧有人着急找我，我母亲会接电话，然后再打电话到这里转告我。
5. PHRASE 碰巧，恰恰（尤引出令人意外的事）
   You use as it happens in order to introduce a statement, especially one that is rather surprising.
   1. She called Amy to see if she had any idea of her son's whereabouts. As it happened, Amy had.
      她打电话给埃米，看她是否知道自己儿子的行踪。埃米还真就知道。

1. Did you happen to see her leave last Wednesday?
   上周三你有没有碰巧看见她离开？
2. I happen to be an aficionado of the opera, and I love art museums
   碰巧我是个歌剧迷，而且我爱去艺术博物馆。
3. Researchers are pushing back the frontiers and opening doors to reveal why things happen and how things work.
   研究者们拓展了其研究领域，介绍并揭示了事物发生的原因和机理。
4. I dread to think what will happen in the case of a major emergency
   我不敢想在重大紧急情况下会发生什么。
5. I think we need to let the dust settle and see what's going to happen after that.
   我认为我们需要等事态平息之后再看看会发生什么。
6. People we spoke to today were really rather fatalistic about what's going to happen.
   今天和我们交谈的人对将会发生的事情都表现得相当听天由命。
7. It makes you want to watch the next episode to find out what's going to happen
   这让人想要看下一集，弄清紧接着会发生什么事。
8. He should have guessed what would happen
   他本该猜到即将发生什么事情。
9. Just when this will happen is anyone's guess
   谁也说不准这事什么时候会发生。
10. We cannot say for sure what will happen
    我们无法确定会发生什么事。
11. The accident happened close to Martha's Vineyard.
    事故发生在玛莎葡萄园附近。
12. She wondered what would happen if her parents found her
    她不知道如果父母找到自己会有什么结果。
13. He trotted to the truck and switched on the ignition. Nothing happened.
    他匆匆走向卡车并转动点火开关，结果没有任何反应。
14. If we had been spotted at that point, I don't know what would have happened to us
    如果当时我们被发现了，我不知道会有什么后果。
15. It's the best thing that ever happened to me.
    这是我所遇到的最好的事情了。
16. We happened to discover we had a friend in common
    我们凑巧发现我们有一个共同的朋友。
17. I looked in the nearest paper, which happened to be the Daily Mail
    我仔细看了一下离自己最近的那份报纸，正巧是份《每日邮报》。
18. If it happens that I'm wanted badly somewhere, my mother will take the call and phone through to me here.
    如果凑巧有人着急找我，我母亲会接电话，然后再打电话到这里转告我。
19. She called Amy to see if she had any idea of her son's whereabouts. As it happened, Amy had.
    她打电话给埃米，看她是否知道自己儿子的行踪。埃米还真就知道。
20. If you happen to talk to him, have him call me
    如果你碰巧能和他说话，让他给我打个电话。
21. This is never to happen again.
    再也不会发生这样的事了。
22. I agree with it in principle but I doubt if it will happen in practice.
    我大体上同意这一点，但是怀疑它是否能够付诸实践。
23. There's no sense in pretending this doesn't happen
    假装这件事没有发生毫无意义。
24. The reader can speculate what will happen next.
    读者可以推测下一步会发生什么事。
25. I'm trying to cope. These things happen. You have to cope.
    我在想法处理。这种事难免发生，只能想办法处理。
26. I go all tingly when I think of what might happen.
    我一想到可能发生的事就满心欢喜。
27. Nothing will happen for a few years yet
    几年内还不会有什么事发生。
28. You and I are like old friends from the start, and that doesn't happen to many men.
    我和你一见如故，这是人生最难得的事。
29. What if anything should happen to the child?
    万一这孩子出了差错怎么办？
30. I'm not sure what will happen next.
    下一步怎么样，我心中无数。

  happen occur take place【导航词义：发生】

  happen v. 发生

〔辨析〕普通用词，多用于偶然事件。

  occur v. 〈正式〉发生

〔辨析〕可用于偶然事件或计划之事，可与 happen 换用。

  take place phr. v. 发生，举行

〔辨析〕主要用于事先计划好的事情。

happen on sth

1. 偶然发现某物
   to find sth by chance
   1. You'll never guess what's happened!
      你根本猜不到出了什么事！
   2. Accidents like this happen all the time.
      此类事故经常发生。
   3. Let's see what happens next week.
      咱们等着瞧下一周会怎么样。
   4. I'll be there whatever happens .
      不管发生什么事我都会到那儿的。
   5. I don't know how this happened.
      我不知道这事怎么发生的。

happen to sb/sth

1. 遭到；遇到
   to have an effect on sb/sth
   1. She happened to be out when we called.
      我们打电话时她刚巧不在家。
   2. You don't happen to know his name, do you?
      你不会碰巧知道他的名字吧？
   3. It happened that she was out when we called.
      我们打电话时她刚巧不在家。

v.

anything can/might happen

• 什么事都可能发生；结果难以预料
  used to say that it is not possible to know what the result of sth will be

as it happens/happened

• 令人惊奇的是；恰恰
  used when you say sth that is surprising, or sth connected with what sb else has just said
  1. I agree with you, as it happens.
     我恰恰和你意见一致。
  2. As it happens, I have a spare set of keys in my office.
     碰巧我在办公室有一套备用钥匙。

it (just) so happens that…

• 碰巧；恰好
  by chance
  1. It just so happened they'd been invited too.
     他们碰巧也获得邀请。

these things happen

• 这类事在所难免；别为做过的事担忧
  used to tell sb not to worry about sth they have done
  1. ‘Sorry─I've spilt some wine.’ ‘Never mind. These things happen.’
     “对不起，我弄洒了些酒。”“没关系。这种事在所难免。”

accidents will happen

• 出事是难免的
  people say accidents will happen to tell sb who has had an accident, for example breaking sth, that it does not matter and they should not worry

in the event of sth

in the event that sth happens

• 如果…发生；万一；倘若
  if sth happens
  1. In the event of an accident, call this number.
     万一发生事故就拨这个号码。
  2. Sheila will inherit everything in the event of his death.
     他一旦故去，所有财产都由希拉继承。

shit happens

• 天有不测风云；坏事难免会发生
  used to express the idea that we must accept that bad things often happen without reason

an accident/a disaster waiting to happen

• 隐患
  a thing or person that is very likely to cause danger or a problem in the future because of the condition it is in or the way they behave