go sour
US /ɡoʊ ˈsaʊər/
UK /ɡoʊ ˈsaʊər/
1.
mal tourner, tourner au vinaigre, dégénérer
to turn out badly; to become unpleasant or unsuccessful
:
•
Their business partnership started well, but then things began to go sour.
Leur partenariat commercial a bien commencé, mais ensuite les choses ont commencé à mal tourner.
•
Their relationship began to go sour after a series of arguments.
Leur relation a commencé à tourner au vinaigre après une série de disputes.