托福考試詞匯研究-Unit30備考
1）v
[Tn, Tn.pr] ~ sb (with sth) make a threat or threats against sb；try to influence sb by threats 恐嚇或威脅某人: threaten an employee with dismissal 以開除要挾雇員
例：My attacker threatened me with a gun. 攻擊我的人用槍威脅我.
[Tn, Tt] use (sth) as a threat 用（某事）相要挾: He threatened legal action. 他以起訴相要挾.
例：The hijackers threatened to kill all the passengers if their demands were not met. 劫機者揚言若不滿足他們的要求, 就把乘客都殺死.
(a) [It, Tn] give warning of (sth) 預示（某事）: It keeps threatening to snow, ie Snow seems likely all the time. 天總像是要下雪.
例：The clouds threatened rain. 有烏云預示要下雨.
(b) [I, It] seem likely to occur or to do sth undesirable 似將發生；似將做出令人不快的事: under a threatening sky 在陰沉的天空下
例：If a gale threatens, do not go to sea. 假若要起風, 就不要出海.
例：a mistake that threatens to be costly 可能造成重大損失的錯誤.
[Tn] be a threat to (sb/sth) 對（某人[某事]）構成威脅: the dangers that threaten us 威脅著我們的種種危險
例：a species threatened by/with extinction 有滅絕之虞的物種.
2）threateningly
adv: The dog growled at me threateningly.那條狗對著我狂吠, 很嚇人.
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