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threat [θret] n. 威胁，恐吓；凶兆menace ['menəs] n. 威胁；恐吓vt. 威胁；恐吓vi. 恐吓；进行威胁menace可以作动词,而threat没有动词意思,只能用threaten作动词；另外threat作名词还有凶兆;征兆的意思!具体的解释如下：threatn.1.威胁,恐吓[C][U][+to-v]2.构成威胁的人(或事物)[S][(+to)]Some people think that machinery is a threat to their jobs.一些人认为机器是对他们工作的一种威胁.3.凶兆;征兆[S][(+of)]The clouds brought a threat of rain.阴云带来要下雨的征兆.
