treachery
/ˈtretʃərɪ/noun
(pl. -ies)［mass noun］
- betrayal of trust; deceptive action or nature背叛, 背信; 欺骗行为, 欺骗性：
his resignation was perceived as an act of treachery
他的辞职被视为背叛
the treachery of language
语言的欺骗性
count noun his distaste for plots and treacheries.他对阴谋和背叛行为的厌恶。
词源
Middle English: from Old French trecherie, from trechier 'to cheat'.