斩关夺隘

Explanation: Cut off the latch, broken gates, winning pass. Describe military operations brave, unstoppable. 　　Source: Liu, "Recalling the Long March," the Long March, the Red Army cut off narrow wins, rescue Stagecoach, Shatui the millions of stopping the enemy from behind. " 　　Examples: [Hong Sanjun] ... ... a serious way to overcome the difficulties, Bashansheshui, ~, and smashed the enemy after the first block chase, and destroy many enemies. ★ Xu Guang Da, "Hunan, Hubei, Hunan, Hubei, Sichuan and Guizhou West and the armed struggle"