know-why

基本解释

In other words, practitioners appreciate know-how, but are deeply seeking advances in know-why.
换言之，实践者们喜欢知道怎样，但也深深地希望更进一步知道为什么。
It is the key whether or not person of ability who concerns that cultivate out in the colleges and universities genuinely possesses necessary know-why and the stronger practice ability;
是关系到高等学校培养出的人才是否真正具有必要的理论知识和较强的实践能力的关键；
My heart was racing, but I didn't know why - there was just something strange about this car.
我的心怦怦地跳着，但是我并不知道为什么——这辆车只是有点奇怪罢了。

Everybody answered the questions well, intelligently, while he - why, dear me - he did not know anything, so to speak.
Now why--and here is the question why do we get this nervousness about the relationship between what I know and how I know it arising at this moment?
问题是,为什么那时候我们对,我知道什么和我如何知道的关系如此神经紧张？
耶鲁公开课 - 文学理论导论课程节选
So, hedge funds do not advertise, that's why people don't know about them and they have a mysterious -they sound mysterious.
对冲基金公司做不了广告,那也是公众并不了解他们的原因,他们披着一层神秘的面纱...,他们听起来挺神秘的
耶鲁公开课 - 金融市场课程节选

And I was - I often would wonder why - you know, why we don't correct these things, why didn't he correct these things.
NPR: Storied Glee Club Faces Waning Membership