behind (someone's) back
за чьей-то спиной, тайно
I hate people who gossip behind my back.
Другие идиомы:
- behind the times
- behind schedule
- back to square one
- put one's back into (something)
- back on one's feet
- brains behind (something)
- off one's back
- cover one's back
- behind the scenes
- back down (from someone or something)
- stab (someone) in the back
- back and forth
- back the wrong horse
- behind the eight ball
- have one's back to the wall