威胁

resort to threats of force; try threats of force

threaten to fire (sb); threaten sb with dismissal; menace sb with the sack

carry out a threat to resign; threaten to resign

grave/dire/serious threat

death threat

covert/potential/latent threat

threat of nuclear war

nuclear threat

nontraditional/unconventional security threats

surrender to intimidation

constitute/pose a threat (to)

intimidate sb into doing sth

make/utter threats (against sb); pose a threat to sb; threaten sb

threaten/menace/jeopardize regional security