敌不可纵

Explanation: The enemy can not indulge. 　　Source: "Zuo Xi public thirty years," Bong must not be lost, the enemy is not vertical. " 　　Examples: There is the old saying ~. Husband to a discretion of the water, or ominous deep, such as from time to time off for fear of the same grassland. ★ "Weishu Guo Zuo Biography"