美 [ˈriːzn aʊt]
找到解释或解决办法：通过思考可能性来找到（问题、疑问、谜团等）的解释或解决办法。
... by reason of 由于...（的缘故） reason out 推想 reason with sb 与...讲道理 ...
We could not reason out which way the robbers escaped, because we were unable to find any trace of them.
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。
Being worn out is the reason for replacing your blanket.
用破是换毯子的原因。
It's my position that gentlemen should reason thing out rather than resort to force.
我主张君子动口不动手。
And then,years ago when I first found out that I was HIV positive, my initial reason for doing glass was I wanted to leave one glass vase for my nephew and nieces to remember their uncle by.
VOA : special.2009.09.16
They really do come to believe in the power of reason, of human beings to figure out the universe.
他们相信理性的力量,以及人类认知宇宙的的能力
美国内战与重建课程节选 : 耶鲁公开课
Another reason I wanted to point this out in terms of the polar coordinates that we're using, is I think they're actually flipped from what you're used to seeing in physics.
另一个我想指出,我们采用极坐标的原因是，我认为它们实际上是,从你们习惯于看到的物理学中出来的。
化学原理课程节选 : 麻省理工公开课
"That is also the reason that some of these al-Qaida functionaries may have been kicked out of that region to other areas of Pakistan."
VOA : standard.2009.03.19
On ABC's This Week, Cheney defended his stance, adding now that he is out of office, he sees no reason to remain silent on matters of national security.
VOA : standard.2010.02.14
However, when the academics examined why investors ploughed money into different types of hedge fund, one reason stood out: recent performance.
Mike Riggs has an excellent piece up at Reason pointing out just how bizarre and misleading this Michael Gerson column is.
Patrick Rudden of Alliance Bernstein recently wrote that there are various reasons why some investors are skeptical of active equity managers these days, but one reason stood out.