叛国的,背叛的,谋叛的not loyal to your own country, social group, beliefs, etc.
You're a traitorous coward, and you're going to pay the price for it. 你是个叛徒和懦夫,你将为此付出代价。
It was a traitorous thought, and she tried to reject it. 这是一个叛徒的想法,她让自己不要这么想。
See: traitor