behind someone's back
/bɪˈhaɪnd ˈsʌmwʌnz bax/
Doing something without someone's knowledge.
“He talked about her behind someone's back.”Add to my deck
/bɪˈhaɪnd ˈsʌmwʌnz bax/
Doing something without someone's knowledge.
“He talked about her behind someone's back.”Add to my deck