To have things upside down; to reverse the proper order or roles, often implying a disregard for hierarchy or proper sequence.
在那个部门，由于管理混乱，常常出现冠履倒易的情况，原本重要的任务反而被搁置
In that department, due to chaotic management, situations of things being turned upside down often occurred, where important tasks were instead set aside.
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