To bring order out of chaos; to set things right; to restore peace and order.
经过大家一段时间的努力，混乱的局面终于拨乱为治，一切都回到了正轨。
After a period of collective effort, the chaotic situation was finally set right, and everything returned to normal.
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To bring order out of chaos; to set things right; to restore peace and order.