激濁揚清

1. • lit. drain away filth and bring in fresh water (idiom) fig. dispel evil and usher in good
2. • eliminate vice and exalt virtue

Character by character

• 激(jī)arouse
• 濁(zhuó)turbid
• 揚(yáng)surname Yang
• 清(qīng)Qing (Wade-Giles: Ch'ing) dynasty of China