because

英 [bɪˈkɒz]

美 [bɪˈkɔːz]

conj. 因为

中考高考 CET4 考研

Oxford 3000 / Collins.5 / BNC.101 / COCA.89

同义词辨析

because as for since【导航词义：因为，由于】

becauseconj. 因为

〔辨析〕

语气最强，表示因果关系，通常用来回答由 why 引导的疑问句。由 because 引导的分句置于句首时，须用逗号与主句隔开，置于句末时则不用隔开。

〔例证〕

Because the traffic is so busy, she failed to arrive at the station on time.
因为路上交通太拥挤，她没能准时赶到车站。
He came back late because there was something wrong with his car.
他回来晚了，因为汽车出了故障。

asconj. 因为，由于

〔辨析〕

如果所述理由是明显的或者已知的，则用 as 较 because 更为合适。

〔例证〕

As it's raining, you'd better stay at home.
既然在下雨，你最好呆在家里。
He puts the ice cream into the fridge immediately, as it melts easily.
他马上把冰激凌放进冰箱，因为它很容易化掉。

forconj. 〈正式〉因为

〔辨析〕

for 属于并列连词，由它引导的分句表示补充说明性的理由，通常只能置于句末，且必须用逗号与前面的分句隔开。

〔例证〕

He must have passed this way, for here are his footprints.
他肯定是从这条路走过去的，这里有他的脚印。
He has to work hard, for he wants to support his family.
因为要养家糊口，他必须努力工作。

sinceconj. 因为，既然

〔辨析〕

当所述原因是已知的客观事实或被当作推断的理由时用 since，语气略强于 as。

〔例证〕

Since he is absent, let's begin.
既然他不在，我们就开始吧。
Susan must have come back home, since her coat is not in the wardrobe.
苏珊肯定回过家，因为她挂在衣橱里的外套不见了。

牛津词典

conj.

因为
for the reason that
1. I did it because he told me to.
  是他吩咐我才做的。
2. Just because I don't complain, people think I'm satisfied.
  就因为我不发牢骚，大家便以为我满意了。

柯林斯词典

CONJ-SUBORD （说明原因）因为，由于
You usebecausewhen stating the reason for something.
1. He is called Mitch, because his name is Mitchell...
  人们叫他米奇，因为他大名叫米切尔。
2. Because it is an area of outstanding natural beauty, you can't build on it...
  考虑到这一带自然风光旖旎，你不能建在这里。
3. Women are doing the job well. This is partly because women are increasingly moving into a man's world...
  女性工作出色，部分原因在于她们越来越多地涉足男性的领域。
4. 'Why didn't you tell me, Archie?'— 'Because you might have casually mentioned it to somebody else.'
  “你怎么没告诉我呀，阿奇？”——“因为你可能会一不小心说了出去。”
CONJ-SUBORD （作出解释）因为
You usebecausewhen stating the explanation for a statement you have just made.
1. Maybe they just didn't want to ask too many questions, because they rented us a room without even asking to see our papers...
  也许他们只是懒得问太多的问题，因为他们都没要求看我们的证件就把一个房间租给我们了。
2. The President has played a shrewd diplomatic game because from the outset he called for direct talks with the United States...
  总统玩了一场高明的外交游戏，因为从一开始他就要求和美国直接对话。
3. I had a sense of déjà-vu because I could recognise everything in London.
  我有一种似曾相识的感觉，因为我能认出伦敦的一切。
PREP-PHRASE 因为；由于
If an event or situation occursbecause ofsomething, that thing is the reason or cause.
1. Many families break up because of a lack of money...
  许多家庭由于缺钱而破裂。
2. Because of the law in Ireland, we had to work out a way of getting her over to Britain.
  由于爱尔兰的法律所限，我们不得不想办法把她弄到英国去。
PHR-CONJ-SUBORD 仅仅因为
You usejust becausewhen you want to say that a particular situation should not necessarily make you come to a particular conclusion.
1. Just because it has a good tune does not mean it is great music...
  仅凭旋律优美并不见得就是一首杰出的音乐作品。
2. Just because something has always been done a certain way does not make it right.
  仅仅因为老是以某种方式做事并不意味着这么做就是对的。

You can usebecause,as,since, orforto give an explanation for something.Becauseis the commonest of these, and is used when answering a question beginning with 'why?'.You can useasorsinceinstead ofbecauseto introduce a clause containing a reason for something, especially in writing....a note about The National Portrait Gallery, as the word 'Gallery' can be misleading... Since the juice is quite strong, you should always dilute it.In stories,foris sometimes used to explain or justify something.He seemed to be in need of company, for he suddenly went back into the house.Note thatbecauseis a conjunction, and is used to link two ideas within one sentence.I'm unsocial, because of my deafness.
because, as, since 或者 for 都可以用来给出解释。because 最常用，用来回答以 why 开头的疑问句。as 或 since 可以代替 because 引导原因从句，尤其是在书面语中：a note about The National Portrait Gallery, as the word ‘Gallery’ can be misleading（对 The National Portrait Gallery 的注释，因为 Gallery 一词容易令人误解），Since the juice is quite strong, you should always dilute it（这种果汁太浓，所以必须加以稀释）。在故事中，for有时用于解释或论证：He seemed to be in need of company, for he suddenly went back into the house（他看起来需要陪伴，因为他突然回到了屋里）。注意，because 是连词，用来连接一个句子中的两个观点：I'm unsocial, because of my deafness（我耳朵聋，所以不善交际）。

双语例句

I have not worried so much this year, partly because I have had other things to think about
今年我不太担心，在某种程度上是因为我有别的事情要考虑。
Sometimes I improvise and change the words because I forget them
有时，我临场发挥改了词，因为我把原来的词给忘了。
I'm guessing again now because I'm not hooked into the political circles
我现在又是在猜测了，因为我没有涉足政界。
I had a sense of d é j à-vu because I could recognise everything in London.
我有一种似曾相识的感觉，因为我能认出伦敦的一切。
I don't get lonely now because I make the effort to see people.
我现在不觉得孤独了，因为我尝试着与人交往。
Women are doing the job well. This is partly because women are increasingly moving into a man's world
女性工作出色，部分原因在于她们越来越多地涉足男性的领域。
The President has played a shrewd diplomatic game because from the outset he called for direct talks with the United States
总统玩了一场高明的外交游戏，因为从一开始他就要求和美国直接对话。
I thought they were laughing at me because I was ugly
我觉得他们嘲笑我是因为我长得丑。
They actually moved down from upstairs because the rent's that expensive.
他们确实从楼上搬到了楼下，因为房租太贵了。
I didn't give my name because if I did I thought you might not have come.
我没有留下我的名字，因为如果我这么做的话，我想你可能就不会来了。