act of treason 背叛行为
high treason 重罪叛国
commit treason 犯下叛国罪
A: What are the charges against the suspect?
A：对嫌疑人的指控是什么？
B: He is facing multiple counts of treasons.
B：他面临多项叛国罪的指控。
1) 叛国罪（复数）
2) 背叛行为（复数）
3) 违背忠诚的行为
1. 叛国罪；背叛行为
noun
1. Acts of betraying one's country, government, or a person of trust.
Synonym: betrayal, disloyalty