behind (someone's) back

Другие идиомы:

• back down (from someone or something)
• break the back of (something)
• behind closed doors
• turn one's back on (someone or something)
• pat on the back
• burn one's bridges behind one
• behind schedule
• cover one's back
• stab (someone) in the back
• give (someone) the shirt off one's back
• back in circulation
• back on one's feet
• back to basics
• scratch (someone's) back
• behind the eight ball