to utter intentions of injury or punishment against:"He threatened me when I tried to call the police" v
to be a menacing indication of something:"The clouds threaten rain"
threaten proceedings
[法] 以起诉恐吓
threaten sb with death
用死来恐吓某人
threaten the existence of
威胁到…的存在
threaten to do sth
威胁要做某事
threatend
[医] 危迫的, 先兆的
threatened
a. 受到威胁的v. 威胁(threaten的过去分词)
threatened abortion
先兆流产[医] 先兆流产
threatener
[法] 威胁者, 恐吓者
threatening
a. 胁迫的, 危险的[法] 威胁的, 恐吓的, 危险的
threateningly
adv. 威胁地, 胁迫地, 危险地
threatens
v. 预示（某事）( threaten的第三人称单数 ); 恐吓; 危及; 预示凶兆
