Yang Jieyin poison
Yang Jieyin poison, a Chinese idiom, Pinyin is y á ngji ě y ī nd ú, which means to compromise on the surface and lay hands behind it. It comes from the book of reply written by Li Zhi of Ming Dynasty.
Idiom explanation
It's the surface and the back.
The origin of Idioms
Li Zhi of the Ming Dynasty wrote in the book of reply: "Gai Bi is a man on the road of a gentleman. There is no secret complaint against a friend, and there is no such thing as relieving Yang and Yin poison."
Idiom usage
Used as an attributive; used of written language
Yang Jieyin poison
To strike a deer in one's heart - xīn tóu zhuàng lù
twist another around one 's little finger - gǔ zhǎng zhī shàng