common saying > be a man to sb.'s face,then become a ghost in the back
Contents
The human face behind a ghost
  Riddle: Ghost
No. 2
  This world is such a role - in person is the person behind it is a ghost. - Haitao "smoke"
Translated by Google
No. 3
  Double-dealing.
Translated by Google
English Expression
  1. n.:  be a man to sb.'s face,then become a ghost in the back