四级英语对应考研英语（英语四六级考研）

treachery

[ˈtretʃəri]

n. 背叛; 变节; 背叛行为;

变形 复数: treacheries

The combination of sex and treachery proved a copper-bottomed circulation booster.

事实证明，性和背叛的话题结合起来无疑大大增加了发行量。

He was eventually brought to book for his treachery.

他终于因叛变行为而受到惩罚.