n.原则，原理，道义；基本信念，信条

例句：
We adhere to theprinciplethat everyone should be treated fairly.
我们坚持人人都应该被平等对待这一原则。

2. take a stand

表明态度, 做出决定

例句：
If he wants my vote he'll have totake a standon the question of East-West relations.
如果他想得到我的选票，他得在东西方的问题上明确其立场。