2012年新托福词汇记忆：threaten

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2012年新托福词汇记忆：threaten
　　1）v
　　[Tn, Tn.pr] ~ sb (with sth) make a threat or threats against sb；try to influence sb by threats 恐吓或威胁某人: threaten an employee with dismissal 以开除要挟雇员
　　例：My attacker threatened me with a gun. 攻击我的人用枪威胁我.中 华 考 试 网
　　[Tn, Tt] use (sth) as a threat 用（某事）相要挟: He threatened legal action. 他以起诉相要挟.
3 v0 G7 ], O* f! \/ X　　例：The hijackers threatened to kill all the passengers if their demands were not met. 劫机者扬言若不满足他们的要求, 就把乘客都杀死.
1 n  h3 C% N/ t　　(a) [It, Tn] give warning of (sth) 预示（某事）: It keeps threatening to snow, ie Snow seems likely all the time. 天总像是要下雪.
6 j* T; V' j6 G1 E2 p" q　　例：The clouds threatened rain. 有乌云预示要下雨.
( d* N, v$ d, G3 F% e2 b6 k　　(b) [I, It] seem likely to occur or to do sth undesirable 似将发生；似将做出令人不快的事: under a threatening sky 在阴沉的天空下
　　例：If a gale threatens, do not go to sea. 假若要起风, 就不要出海.
　　例：a mistake that threatens to be costly 可能造成重大损失的错误.
" X2 h5 T& m& O* G1 M　　[Tn] be a threat to (sb/sth) 对（某人[某事]）构成威胁: the dangers that threaten us 威胁着我们的种种危险
　　例：a species threatened by/with extinction 有灭绝之虞的物种.
/ [5 s: `! y( f0 K3 Z　　2）threateningly
, j  V) c; j2 a$ }1 S　　adv: The dog growled at me threateningly.那条狗对着我狂吠, 很吓人.