treachery
n. 背叛；变节；背叛行为
复数 treacheries
例句
Treachery was the ultimate sin.
背叛曾是弥天大罪。
《柯林斯英汉双解大词典》
He was deeply wounded by the treachery of close aides and old friends.
他被亲密助手和老朋友的背叛深深地伤害了。
His name is synonymous with deception, treachery, cunning, and deceit.
他的名字是欺骗，背叛，狡猾和欺骗的同义词。
