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1
背信弃义, 背叛
the act of intentionally betraying someone or something's trust in one
- The generals considered the unauthorized negotiations with the enemy a clear act of perfidy.
将军们认为与敌人进行的未经授权的谈判是明显的背信行为。
- The friendship suffered a severe blow due to perfidy, as confidential secrets were revealed.
由于背信弃义，友谊遭受了严重打击，因为机密秘密被泄露了。
- The business partnership ended in perfidy when one partner secretly established a competing venture.
商业伙伴关系以背信弃义告终，当时一位合伙人秘密成立了一家竞争企业。
- The historic treaty violation marked an egregious perfidy between the two nations.
历史性条约的违反标志着两国之间严重的 背信。
2
背信弃义, 背叛
the state of lacking faithfulness and loyalty
- The knight's perfidy shocked the kingdom, as he betrayed his sworn allegiance to the king.
骑士的背信弃义震惊了王国，因为他背叛了对国王的忠诚誓言。
- The employee's perfidy was revealed when confidential company information was leaked to competitors.
当公司的机密信息泄露给竞争对手时，员工的不忠行为被揭露了。
- The novel's plot unfolded with a twist of perfidy, as the protagonist's closest friend turned out to be a traitor.
小说的情节以背信弃义的转折展开，主角最亲密的朋友原来是个叛徒。
- The spy's perfidy jeopardized the mission, as classified information fell into the wrong hands.
间谍的背信弃义危及了任务，因为机密信息落入了错误的手中。
- The political leader's perfidy became apparent when he allied with rival parties after promising unwavering loyalty.
这位政治领袖的背信弃义在他承诺坚定不移的忠诚后与敌对党派结盟时变得显而易见。