背后

1. behind; at the back; in the rear

♦ 门~ behind the door

♦ 房子~ at the back of the house

2. behind sb.'s back

♦ 当面不说, ~乱说 say nothing to people to their faces but gossip about them behind their backs

♦ ~捣鬼 plot (or scheme) behind the scenes; play underhand tricks

♦ ~下毒手 stab in the back