n.叛变；背叛
The stench of treachery hung in the air. 到处都是可耻的叛变的气息。
Treachery seems to have replaced loyalty. 叛变似乎已代替了忠诚。
Such treachery should be repaid in specie. 对这种奸诈应以同样的方式加以回报。
