发布于:2025-07-06 05:41浏览量:124文/优校网
1.叛逆的,背叛的,不忠的 (to);奸诈的,靠不住的
1.very dangerous, especially because the dangers are not obvious
2.someone who is treacherous pretends that they support you but secretly tries to harm you, for example by helping an enemy