off the rails 失常的，偏离正轨的（成语）

英文释义

Describing a business or project that is out of control and likely to fail. (NOTE: "rails" refers to a railroad track)

例句

Because there were no controls over expenses, the new company was off the rails within a few months and investors were quite worried.

由于没有控制费用，新公司没过几个月就偏离了正轨，投资者非常焦虑。