dirty trick

基本解释

The collage was a dirty trick designed to derail John Kerry’s campaign.
这张假相片是用来阴谋扰乱约翰·克里总统竞选的诡计。
A favorite dirty trick: making anonymous phone calls to the IRS, accusing enemies of income-tax cheating and thereby inducing the IRS to audit them.
他们最喜欢用的卑鄙手段是：给国税局打匿名电话，指控自己的敌人在所得税上存在欺诈行为，从而引得国税局去对他们进行审计。
Lithuania is a hugely pro-American country, and many might think that turning the odd dirty trick for the country’s most important ally was nothing to get too excited about.
立陶宛是非常亲美的国家，很多人可能会认为，对该国最重要的盟友玩弄这套卑鄙龌龊的古怪把戏无异于一种癫狂症。

There's just no dirty trick that anybody fails to do if it can.
各种卑鄙战术,无所不用其极
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This cannot be written off as just one more political dirty trick.
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It was a populist move and I never would have expected this kind of dirty trick coming from a respectable newspaper like The Economist.
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Was it a dirty trick by Mike?
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You describe the actions of an organization or political group as dirty tricks when you think they are using illegal methods to harm the reputation or effectiveness of their rivals.