guilty of or involving betrayal or deception
不可靠的,背叛的,奸诈的
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a treacherous Gestapo agent 一个奸诈的盖世太保
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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
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a holidaymaker was swept away by treacherous currents .一个度假者被诡秘的水流卷走了。
"Middle English (in the sense ‘involving betrayal’): from Old French