be in harmony in appearanc but at variance in heart
In Chinese, the Pinyin is m à oh é x í NGL í, which means that it seems to get along with each other, but the actions are quite different. From baopuzi qinqiu.
Notes on Idioms
Appearance: on the surface.
The origin of Idioms
In the book baopuzi qinqiu written by Ge Hong of Jin Dynasty, "the mouth is close to the heart, and the appearance is close to the form."
be in harmony in appearanc but at variance in heart