go off the rails

基本解釋

The one real novelty, nuclear power, went spectacularly off the rails.
核動力是唯一真正新奇的事物，它卻令人震驚地偏離了軌道。
Neither side was prepared to cope with an economy that went off the rails despite the Fed's best efforts.
任何一方都對“聯(lián)儲已然盡力，而經(jīng)濟依然脫軌”之經(jīng)濟現(xiàn)象毫無準備。
15949095073csw.blog.163.com
Mark McKinnon, chief campaign media adviser to George W. Bush: My view is that civility was a heartfelt, well-intended objective that went right off the rails the day of the recount.
Mark McKinnon 佈什首蓆競選新聞顧問：我的觀點是，在重新計票的混亂中，做到謙遜有禮是我們的一個善意的可以被感知的目標。

In August 2004 the company's forecast went off the rails and MatchNet had an unexpected loss.
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Near the end of 1999, the Federal Reserve went off the rails again under Fed Chairman Alan Greenspan.
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But here is where it went off the rails.
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to start behaving in a way that is not generally acceptable, especially dishonestly or illegally