Definitions

1. 1. to use an opponent's own methods to obtain retribution (idiom, from Song dynasty neo-Confucianist Zhu Xi 朱熹)
2. 2. to get revenge by playing sb back at his own game
3. 3. to give sb a taste of his own medicine
4. 4. deal with others as they deal with you

Components

• 以其 yǐ qí – by means of that (or his, her, its...etc.)
• 人 rén – man
• 之道 zhī dào – the path of
• 还 Huán – surname Huan
• 治 zhì – to rule
• 其人 qí rén – some people
• 之 zhī – (possessive particle, literary equivalent of 的[de5])
• 身 shēn – body