n.背信弃义，背叛，变节

原形：treachery复数：treacheries

The general's treachery led to the fall of the city.
这位将军的背叛导致了城市的沦陷。
His closest friend's treachery cut him deeply.
最亲密朋友的背叛让他深受伤害。
The story revolves around themes of love, betrayal, and treachery.
这个故事围绕着爱、背叛和背信弃义的主题展开。
She was shocked by the treachery of her business partner.
她对商业伙伴的背叛感到震惊。
The spy's treachery endangered the lives of many agents in the field.
间谍的背叛危及了许多外勤特工的生命。
His act of treachery will not be easily forgiven or forgotten.
他的背叛行为不会轻易被原谅或遗忘。
It was an unimaginable treachery for him to steal from his own family.
他从自己家庭中偷窃，这是一种难以想象的背叛。
The king's advisor was accused of treachery and plotting against the throne.
国王的顾问被指控叛国并密谋对抗王权。
Their success was sabotaged by the treachery of someone within their team.
他们团队内部某人的背叛破坏了他们的成功。
History is filled with tales of heroes brought down by treachery and deceit.
历史上充满了英雄因背叛和欺骗而倒下的故事。