Three heads and two sides
The Chinese idiom, Pinyin is s à NT ó Uli à ngmi à n, which means to change one's attitude by looking at the other person's face. It is better than flattering and playing with two sides. It's from zausun: ignorance.
Idiom explanation
Change your attitude by looking at the other person's face. He is good at flattery and double dealing.
The origin of Idioms
Li Shangyin's miscellaneous usurpation and ignorance in the Tang Dynasty: "three heads and two sides worship people."
Analysis of Idioms
Synonym: two sides with three knives, three heads with two faces
Idiom usage
In the classroom, they are all hands and feet, three heads and two sides, ears can't hear, eyes can't see, bitterness and happiness can't go smoothly, and get together. The 20th volume of wudenghuiyuan by Song Shi Puji
Three heads and two sides
sharp eyes and agile hands or nimble fingers - yǎn jiān shǒu kuài
Talking about the good and doing the bad - tán yōu wù liè
associating with benevolent gentlemen and befriending good neighbors - qīn rén shàn lín