duplicity
noun🔊/djuːˈplɪsəti/
🔊/duːˈplɪsəti/
[uncountable, countable] (plural duplicities)
(formal)dishonest behaviour that is intended to make somebody believe something that is not true 欺骗，奸诈（行为） Word Originlate Middle English: from Old French duplicite or late Latin duplicitas, from Latin duplic- ‘twofold’, from duo ‘two’ + plicare ‘to fold’.