principle

noun

1. 道德原则；行为准则；规范
   a moral rule or a strong belief that influences your actions
   1. He has high moral principles.
      他很有道德。
   2. I refuse to lie about it; it's against my principles .
      我绝不为此事撒谎；那是违背我的原则的。
   3. Stick to your principles and tell him you won't do it.
      要恪守自己的原则，告诉他你绝不会干的。
   4. She refuses to allow her family to help her as a matter of principle .
      她不要家人帮忙，对她来说这是个原则问题。
   5. He doesn't invest in the arms industry on principle .
      他根据自己的信条，不投资军火工业。
2. 法则；原则；原理
   a law, a rule or a theory that sth is based on
   1. the principles and practice of writing reports
      报告写作的理论与实践
   2. The principle behind it is very simple.
      其中的原理十分简单。
   3. There are three fundamental principles of teamwork.
      团队合作有三个基本原则。
   4. Discussing all these details will get us nowhere; we must get back to first principles (= the most basic rules) .
      一直谈这些细节不会有结果的；我们必须回到根本原则上来。
3. 观念；（行动、思想的）理由，信条
   a belief that is accepted as a reason for acting or thinking in a particular way
   1. the principle that free education should be available for all children
      所有儿童都应该能享受免费教育的观念
4. 定律；工作原理
   a general or scientific law that explains how sth works or why sth happens
   1. the principle that heat rises
      热气上升的定律

1. N-VAR 道德原则；行为准则；操守
   A principle is a general belief that you have about the way you should behave, which influences your behaviour.
   1. Buck never allowed himself to be bullied into doing anything that went against his principles...
      巴克从来不会因为受到威胁而做违背自己原则的事情。
   2. ...moral principles...
      道德准则
   3. It's not just a matter of principle.
      这不仅仅是原则的问题。
   4. ...a man of principle.
      讲究原则的男人
2. N-COUNT 法则；原则；原理
   The principles of a particular theory or philosophy are its basic rules or laws.
   1. ...a violation of the basic principles of Marxism...
      违背马克思主义的基本原则
   2. The doctrine was based on three fundamental principles.
      这个学说建立在三条基本原理之上。
3. N-COUNT （科学）原理，定律
   Scientific principles are general scientific laws which explain how something happens or works.
   1. These people lack all understanding of scientific principles.
      这些人对科学原理一窍不通。
   2. ...the principles of quantum theory.
      量子论原理
4. PHRASE 大体上；基本上
   If you agree with something in principle, you agree in general terms to the idea of it, although you do not yet know the details or know if it will be possible.
   1. I agree with it in principle but I doubt if it will happen in practice.
      我大体上同意这一点，但是怀疑它是否能够付诸实践。
5. PHRASE 从理论上说；按道理
   If something is possible in principle, there is no known reason why it should not happen, even though it has not happened before.
   1. Even assuming this to be in principle possible, it will not be achieved soon.
      即使假定这在理论上行得通，它也不可能于短期内实现。
6. PHRASE 按照原则；根据信念
   If you refuse to do something on principle, you refuse to do it because of a particular belief that you have.
   1. He would vote against it on principle...
      他会根据原则投反对票。
   2. His father, on principle, did not like to hear requests for money.
      从原则上来说，他父亲不喜欢别人借钱。

1. The Government appears to be applying the same principle
   政府似乎是在运用相同的原则。
2. Taxation is not popular in principle, merely acceptable in context
   征税基本上是不受欢迎的，在一定情境中才勉强为人接受。
3. The principle of market forces was applied to some of the country's most revered institutions
   市场运作的规律被应用到该国某些最具影响力的机构。
4. It was not simply a practical matter, but a fundamental question of principle.
   那不仅仅是个实际问题，更是一个根本性的原则问题。
5. Privatisation goes against the grain of their principle of opposition to private ownership of industry.
   私有化有悖于他们反对工业私有的原则。
6. My mother, whose guiding principle in life was doing right, had a far greater influence on me.
   我母亲的生活原则是做事堂堂正正，她对我有着更为深刻的影响。
7. Homeopathic treatment is based on the 'like cures like' principle.
   顺势疗法是基于“以毒攻毒”的原理。
8. If we cannot understand that there's an issue of principle here, then we have lost our way.
   如果我们看不到这里的原则问题的话，那么我们已经迷失方向了。
9. This principle of collective bargaining has been a mainstay in labor relations in this country.
   这一集体谈判原则已经成为该国劳动关系的重要基础。
10. Observance of the law is a matter of principle for us
    守法是我们的一个原则问题。
11. Buck never allowed himself to be bullied into doing anything that went against his principles
    巴克从来不会因为受到威胁而做违背自己原则的事情。
12. The doctrine was based on three fundamental principles.
    这个学说建立在三条基本原理之上。
13. These people lack all understanding of scientific principles.
    这些人对科学原理一窍不通。
14. I agree with it in principle but I doubt if it will happen in practice.
    我大体上同意这一点，但是怀疑它是否能够付诸实践。
15. Even assuming this to be in principle possible, it will not be achieved soon.
    即使假定这在理论上行得通，它也不可能于短期内实现。
16. He would vote against it on principle
    他会根据原则投反对票。
17. His father, on principle, did not like to hear requests for money.
    从原则上来说，他父亲不喜欢别人借钱。
18. Nuclear weapons seem to violate the just war principle of proportionality
    核武器似乎违背了正义战争的罚当其罪原则。
19. The decision had been agreed in principle before today's meeting, but some controversy surrounded it
    该决定在今天的会议之前就已达成原则上的共识，但围绕这一决定还存在一些争议。
20. The present world crisis should in principle be analysed from different temporal perspectives.
    原则上说来，目前的世界危机应该从不同的时间角度加以分析。
21. That's not a matter of principle.
    这个问题上不了纲。
22. Independence and sovereign equality among states is a fundamental principle of international law.
    国家的独立和主权平等，是国际法上的一项根本原则。
23. You must state your position on matters of principle. Don't be equivocal.
    在原则问题上要表明你的态度，不要依违两可。
24. These machines work on the same principle.
    这些机器按照相同的原理运转。
25. One must not be vague on matters of principle.
    在原则问题上不能含糊。
26. We should carry out the policy of integrating unified planning with the principle of adaptation to local conditions.
    我们应该执行计划同因事制宜的原则相结合的政策。
27. We must adhere to the principle of making study serve the practical purpose.
    我们必须坚持学以致用的原则。
28. To learn a language we must follow the principle of gradual improvement.
    学习语言必须遵循循序渐进的原则。
29. On matters of principle we should be clear-cut in attitude, and by no means be equivocal.
    在原则问题上，我们必须态度鲜明，决不能模棱两可。
30. The principle of diligence and frugality applies to all undertakings.
    勤俭节约的原则适用于一切事业。

  principle fundamentals law theorem【导航词义：原理，原则】

  principle n. 原理，原则

〔辨析〕指某事物所依据的思想或理论。

  fundamentals n. 基本原理，基础

〔辨析〕指某事物所依托的最重要的观念、规律等。

  law n. 规律，定律

〔辨析〕指自然界或人类社会恒常发生的事或对此进行的描述。

  theorem n. 定理

〔辨析〕通常用于科技英语，多指可以得到证明的数学定理。

n.

in principle

• 原则上；理论上
  if something can be done in principle , there is no good reason why it should not be done although it has not yet been done and there may be some difficulties
  1. In principle there is nothing that a human can do that a machine might not be able to do one day.
     原则上，总会有一天，凡是人能做的事，机器就能做。
• 大体上；基本上
  in general but not in detail
  1. They have agreed to the proposal in principle but we still have to negotiate the terms.
     他们已基本同意了这项提议，但我们还得磋商各项条款。

noun

1. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
   1. the rationale for capital punishment
   2. the principles of internal-combustion engines

   Synonym:    rationale

2. a basic truth or law or assumption
   1. the principles of democracy

3. a rule or law concerning a natural phenomenon or the function of a complex system
   1. the principle of the conservation of mass
   2. the principle of jet propulsion
   3. the right-hand rule for inductive fields

   Synonym:    rule

4. a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
   1. their principles of composition characterized all their works

   Synonym:    rule

5. a rule or standard especially of good behavior
   1. a man of principle
   2. he will not violate his principles

6. rule of personal conduct

   Synonym:    precept