她以为那个间谍最终会忠诚于她，没想到最后却被三重背叛了。

She thought the spy would finally be loyal to her, but she got ___triple-crossed in the end.

这个商人表面上合作，暗地里却三面欺骗了所有合伙人。

The businessman pretended to cooperate but ___triple-crossed all his partners behind the scenes.