1 to use an opponent's own methods to obtain retribution (idiom, from Song dynasty neo-Confucianist Zhu Xi 朱熹); to get revenge by playing sb back at his own game
2 to give sb a taste of his own medicine
文治武功
wén zhì wǔ gōng
1 political and military achievements (idiom)
治丧从俭
zhì sàng cóng jiǎn
1 to be frugal in attending to funeral rites (idiom)
治大国若烹小鲜
zhì dà guó ruò pēng xiǎo xiān
1 ruling a large nation is like cooking a small delicacy (idiom)
2 effective government requires minimal intervention
臻于郅治
zhēn yú zhì zhì
1 to attain a state of perfect governance (idiom)
齐家治国
qí jiā zhì guó
1 to regulate the family and rule the state (idiom)