guilty of or involving betrayal or deception 不可靠的,背叛的,奸诈的 a treacherous Gestapo agent. 一个奸诈的盖世太保。 memory is particularly treacherous. 记忆特别不可靠。 ■(of ground, water, conditions, etc.) hazardous because of presenting hidden or unpredictable dangers (地面、水流、情况等)危险的;变化莫测的 a holidaymaker was swept away by treacherous currents. 一个度假者被诡秘的水流卷走了。
派生 treacherously adverb treacherousness noun 语源
Middle English (in the sense 'involving betrayal'): from Old French trecherous, from trecheor 'a cheat', from trechier 'to cheat'