激浊扬清

Explanation: Shock: rushed; Cloud: dirty water; clear: clean water. Rushed to the water, let water come up. Remove bad analogy, promote good. 　　Usage: Joint type; as predicate, object, attribute; metaphor clear bad, carry forward the good 　　Source: "Shi Zi Jun rule": "Yang-ching voiced shock, swing to sediment penny, righteousness." 　　Examples: Daizhi official, loyal to their country, ~. (Yuan Anonymous "Chen states that sold rice," the second off) Thesaurus:  drain away the mud and bring in fresh water, Yangshanchi'e, drain away the mud and bring in fresh water