There is a question of principle. - Principle?

这事关原则。 -原则？

John is characterized as a man of principles.

约翰这个人的特征就是很有原则。

But he was the first who ever did so by choice, out of principle.

但他确实是第一个自愿这么做的人，这是出于他自己做人的原则而已。

Here's a use of principle as a modifier.

这里有一个原则作为修饰语的用法。

It was a question of principle, Ove explains to her.

这是原则问题，欧维向她解释。

I thought you said it was a matter of principle.

您不是说这是原则问题吗。

Because it was a question of principle.

这是原则问题。

Should we be alarmed by these accounts of falling standards of principles and morality?

我们该不该因这些关于行为准则和道德水准下降的报道而感到不安呢？

Then again, she never was very good at grasping questions of principle.

不过她也不是很清楚什么叫原则问题。

Tuesday came, and I didn't do his half out of principle.

到了星期二 出于原则 我没有做他那一半。

But it was a question of principle.

而是因为这是原则。

It's a matter of principle. -All right. Well, I tried. I'm officially out of it.

这是原则问题。-好吧。我努力过了。我不掺和这事了。

Decimal measurements can be used to express all the patterns and principles of science and society.

十进制计量可以用来表达科学和社会的所有模式和原则。

A man of virtue is a man of principle. He will never do anything against his conscience.

有美德的人即是有原则的人。他绝不会做任何违背良心的事。

Atoms that are bonded together, and that describes almost all substances, move according to a set of principles.

原子连接在一起，几乎构成了所有物质，按照一定规律在运动着。

It feels like you're running up against you know kind of that great American principle of free speech, right?

这感觉像是你试图与美国伟大的言论自由背道而驰，是吗？

He became known as a man of principle, someone who stuck to his state's rights beliefs no matter what.

他被认为是一个有原则的人，一个无论如何都坚持州权利的人。

We talked about agents, being of principle.

我们讲的是代理，是有原则的。

It is, however, a proof of principle.

然而，它是原理的证明。

But, success is a series of principles.

但是，成功是一系列原则的体现。