threaten
US /ˈθret.ən/
UK /ˈθret.ən/

1.
ameaçar
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.
Ele ameaçou denunciá-los à polícia.
•
The gang threatened him with violence.
A gangue o ameaçou com violência.
2.
ameaçar, colocar em risco
be a possible danger to
:
•
Pollution threatens the environment.
A poluição ameaça o meio ambiente.
•
The storm threatened to destroy the crops.
A tempestade ameaçava destruir as plantações.