在某人背后 meaning in Chinese
behind one's back
Examples
- Go behind sb . ' s back
在某人背后搞鬼 - There is no more dangerous experiment than that of undertaking to do one thing before a man ' s face and another behind his back
在某人面前做一套，却在某人背后又是另一套，这其实是非常危险的行径。
behind one's back