to have the opposite result of what was intended
avoir le résultat opposé de ce qui était prévu (avoir le résultat opposé de ce qui était prévu)
"His plan backfired and made things worse."
"Son plan a échoué et a empiré les choses." (son plan a échoué et a empiré les choses)
a strong motivation to achieve something
to become willing to share thoughts or to start operating
a sudden and unexpected event
to stop a vehicle at the side of the road
having traditional beliefs or methods
to make someone learn from their mistake