clear and present danger

• 清楚而切实的危险

clear and present danger的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. a standard for judging when freedom of speech can be abridged;

   "no one has a right to shout `fire' in a crowded theater when there is no fire because such an action would pose a clear and present danger to public safety"