on principle 的意思是“原则上；照原则”。

用法：接名词、代词或从句作宾语，也可接以形容词充当补足语的复合宾语。

音标为/ˌpjuːzɪən/。

例句：He refused to do so on principle.

翻译为：他出于原则拒绝这样做。

on principle的意思是“原则上，照原则”。

释义：

on principle：照原则行事，按原则办事。

in principle：大体上，基本上。

用法：

on principle通常用于表示某事某物应该发生或被做，但出于某种原因却没有发生或被做的情况。

双语翻译：

On principle, I shouldn't do this, but I'll make an exception for you. 原则上我不应该这么做，但是我会对你特殊照顾。

We should do this job on principle, even if it means working through the night. 即使这意味着我们要连夜工作，我们也要按原则办事。

常见用法：

on principle常与should, must, ought to等情态动词连用，表示“应该”按照某种原则或理念行事。

例句：

They should not have done it on principle. 他们原则上不应该这么做。

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on principle的意思是“原则上，照原则”，其释义为：in accordance with one's principles; usually implying that no exceptions will be made in a particular case。

用法：介词短语on principle表示“原则上”的意思，后面通常接动词不定式或者从句。

双语翻译：大体上，我原则上同意你的看法。

常见短语：

1. on no account 决不

例句：You mustn't rely on your memory on no account.

2. in principle 原则上

例句：In principle, I agree with you.

3. go against one's principles 违背某人的原则

例句：The decision went against his principles.

4. stick to one's principles 坚持某人的原则

例句：He has always stuck to his principles.

5. go by the book 照章办事

例句：He always goes by the book in his work.

6. toe the line 遵守规定

例句：He is determined to toe the line and do well.

7. toe the company line 随声附和，随大流

例句：She was always toeing the company line.

8. go by 按照，根据

例句：The time goes by very quickly.

9. act on principles 根据原则行事

例句：He always acts on principles, even when it's difficult.

10. go against one's principles and beliefs 违背某人的原则和信仰。