中间突破 meaning in Chinese

make a breakthrough at the centre intermediatemiddleinterspace

In our third counter - campaign , although the storm was breaking all around us and we had made a detour of a thousand li , and although the enemy had discovered our plan to outflank him , we nevertheless exercised patience , turned back , changed our tactics to a breakthrough in the centre , and finally fought the first battle successfully at lientang
第三次反“围剿”虽是那样急风暴雨的局面，千里回师，又被敌人发觉了我们迂回其侧后的计划，但我们仍忍耐折回，改用中间突破，终于在莲塘打着第一个好仗。