咱们中国在讲述什么事情的时候，尤其在解释补充事件的原因的时候，很习惯的说因为，因为什么因素才导致和引发了后面的一些结果。而且更习惯是因为的下半句会接上所以，这个词算是中文的高频词汇了，当然在日文的世界里面，也时常会遇到类似的情况，再给对方解释原因的时候卡壳了多尴尬，那么因为用日语怎么说，解释还是很有必要的：
1、因为她知道太多，所以他们把她干掉了。
They bumped her off because she knew too
much.
2、因为他妻子年龄比他小得多， 他老是怕戴绿帽子。
Since his wife was much younger than he, he
was constantly afraid of being cuckolded.
3、因为这件衬衫极不合身，她要拆了重做。
As the shirt fits badly, she will pick it
to pieces and remake it.
4、因为它拥有跨平台的兼容性。
There, you have compatibility across the
board.
5、那个人不可能是布朗先生，因为他早就离开这里了。
That can t be Mr. Brown——he l|t here long
6、因为那时总会有事可做。
Always have something with you to do.
7、我们推断不出这些强盗是从哪个方向逃走的，因为我们找不到他们的任何踪迹。
We could not reason out which way the
robbers escaped, because we were unable to find any trace of them.
8、竹子很轻， 因为它中间是空的。
Bamboo is light because it is hollow.
9、约翰盯住每一个机会，因为他想获得成功。
John watched every opportunity because he
wanted to get on.
10、他并不要求我们付钱给他，但我们还是硬要他收下了，因为我们知道他需要用钱。
He didn t want to be paid, but we forced
the money on him because we knew he needed it.
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然后告诉她你就是要这么做，因为你们都不能做出让他喜欢的那东西。
Then tell her you only do it because
neither of you will do that thing he likes.
12、这两人凑在一块， 真是硬碰硬， 因为他俩都确信自己的意见是正确的。
It was diamond cut diamond when the two men
met because they were so sure their own ideas were right.
她没得到那份工作，因为她正巧不合标准。
13、这是本二流小说，因为当情节发展时读者的兴趣却在减弱。
This is a second-rate novel, because the
readers interest lags when the plot develops.
看到了这么多如何解析事情原因的句子，基本上大家都可以很轻松的用日文解释为什么事情的结构会如此。下一次遇到需要的叙述一些问题的时候不需要别人帮忙，自己就可以轻松的把情况说的清楚明白，事情是怎样的，因为什么原因都可以用日语麻利儿的解释清楚！