•Snow and ice have left many roads treacherous, and motorists are warned to drive slowly.冰雪使许多道路危机四伏，汽车司机被告诫要开慢些。

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•Vargas plays the part of a treacherous aristocrat who betrays his king and country.瓦加斯扮演一个背叛了国王和祖国的不忠贵族。

•I feel a bit treacherous to my own sex if I ever make general criticisms of women.如果我泛泛地批评妇女，我会感到有点背叛自己的性别。