treacheroustreach•e•rous /'tretʃ(ə)rəs/

adj

1. 背叛的；叛逆的；不忠实的

• He was treacherous to the King. 他背叛了国王。

2. 靠不住的；危险的

• treacherous weather 靠不住的天气

• That ice is treacherous. 那块冰仅仅表面看上去结实。

–treacherously adv