兵来将敌，水来土堰

Explanation: Enemy: confrontation; weir: barrage. Sending generals to resist the enemy came, the flood came to cover up with soil. Compared against each other, depending on the circumstances, take a flexible approach to deal with 　　Usage: Complex sentence; as subject, attribute; metaphor to take countermeasures according to the specific circumstances 　　Source: Yuan Anonymous "head gate" First off: "soldiers to the enemy, soil water weir, brother, you lead the troops to come with me, can not delay too." Thesaurus:  Soldiers to be blocked, troubled water, Soldiers to the enemy, Water earth bank, Soldiers to be welcome, water to soil weir