Reverse /rɪˈvɝːs/ v. (使)反向;(使)倒转;彻底改变;推翻
meaning: to change the direction, order, position, result, etc. of something to its opposite
前缀:re-往回
词根:vers-转动
e.g. The new manager hoped to reverse the decline in the company's fortunes. 新经理希望能够扭转公司江河日下的状况。
e.g. Now that you have a job and I don't, our situations are reversed. 你找到了工作,我倒没有工作了,我们的情况正好掉了个儿。