threaten
US /ˈθret.ən/
UK /ˈθret.ən/

1.
menacer
state one's intention to take hostile action against someone in retribution for something done or not done
:
•
He threatened to report them to the police.
Il a menacé de les signaler à la police.
•
The gang threatened him with violence.
Le gang l'a menacé de violence.
2.
menacer, mettre en péril
be a possible danger to
:
•
Pollution threatens the environment.
La pollution menace l'environnement.
•
The storm threatened to destroy the crops.
La tempête menaçait de détruire les récoltes.