Nightwish阳光
reason for 给你个例句失败的原因很难确定。It's difficult to assign any reason for the failure
小剑2016
the reason for ... ...的原因The reason for his delay is the heavy rain. (他迟到的原因是下大雨。)精锐松江
世界杯之猪
原因的英文是cause。
n. 原因，起因；动机，缘由；（奋斗的）目标，事业；诉讼案件。
v. 造成，引起；使感到，使拥有。
词语辨析
realize, cause, effect, produce
这组词都有“产生、实现”的意思，其区别是：
realize 着重指把过去的计划或意愿变成现实。
cause 强调事物的因果关系。
effect 侧重成功地完成一件要做的事情，强调结果或影响。
produce 侧重有意或无意地产生出好的或坏的，实际可见的效果。
双语例句：
1、警方仍在努力确定事故的原因。
Police are still trying to establish the cause of the accident.
2、当局已对事故的原因展开调查。
An official inquiry has been launched into the cause of the accident.
3、由于某种个人原因，我将不能出席。
For certain personal reasons I shall not be able to attend.
4、报章对事故原因并未解释清楚。
The newspapers provided little enlightenment about the cause of the accident.
5、有各种原因促使我作出那个结论。
There are various reasons that impel me to that conclusion.
让雪飞CXF
for the reason of ..... by....The game was delayed for the reason of (by) the weather yesterday.昨天的比赛由于天气的原因推迟了。
大力宇哥
“由于什么原因”"For what reason"reason 英[ˈri:zn]美[ˈrizən]n. 原因; 理由; 理性; 理智;vt. 推理，思考; 争辩; 辩论; 向…解释;
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