late 15c., "delirious, frenzied," present participle adjective from rave (v.); sense of "remarkable, fit to excite admiration" is from 1841, hence slang superlative use.
权威例句
1. Malcolm looked at her as if she were a raving lunatic.
马尔科姆看着她好像在看一个精神错乱的疯子。
2. I'm afraid Jean-Paul has gone raving mad.
恐怕让-保罗已经完全失去理智了。
3. The man's a raving lunatic.
那个男子是个语无伦次的疯子。
4. You are either a total genius or else you must be absolutely raving mad.
你要么是个不折不扣的天才,要么就是完全疯了。
5. When I told her I'd crashed her car, she went stark raving bonkers.