The government opened up a can of worms when it decided to reorganize the education system.政府决定改革教育制度时突然发现有一大堆棘手的问题要处理。They are in the thick of reforming the educational system.他们正积极从事改革教育制度。The threat of further changes in the education system is making teachers squeal.进一步改革教育系统的威胁令教师们大声抗议。