"he was playing perfidiously one side against the other"
例句
La giustizia degli uomini retti li libera, ma i perfidi restan presi nella loro propria malizia. 正直人的公义必拯救自己，但奸诈人必陷溺于自己的恶欲中。
I suoi profeti son millantatori, perfidi, i suoi sacerdoti profanano le cose sante, fanno violenza alla legge. 城中的先知都是轻浮诡诈的人；城中的祭司亵渎圣物，违犯律法。
In unleashing this civil war against the people the Kuomintang reactionaries perfidiously and unscrupulously tore up the truce agreement and the resolutions of the Political Consultative Conference of January 1946. 国民党反动派背信弃义，撕毁了一九四六年一月的停战协定和政治协商会议的决议，发动了这一次反人民的国内战争。
perfidiously tear up agreement and contracts 背信弃义地撕毁协定和合同
perfidiously tear up agreements and contracts 背信弃义地撕毁协定和合同
he was playing perfidiously one side against the other. 他背信弃义地挑唆一方反对另一方。
