The historian exposed the duplicity of the memoirist, who had presented fabricated events as personal recollections.
历史学家揭露了回忆录作者的欺诈行为，此人将捏造的事件当作个人回忆来呈现。
Which choice best defines “duplicity”?
C — Deceitful double-dealing.. “duplicity” means Deceitful double-dealing..
Which word means “Deceitful double-dealing.”?
A — duplicity. “duplicity” means Deceitful double-dealing..
duplicity — Deceitful double-dealing.. In Chinese: 口是心非；欺诈.
duplicity is pronounced //djuːˈplɪsəti//.
The historian exposed the duplicity of the memoirist, who had presented fabricated events as personal recollections. (历史学家揭露了回忆录作者的欺诈行为，此人将捏造的事件当作个人回忆来呈现。)
deceit, dishonesty, double-dealing — all close in meaning to duplicity (Deceitful double-dealing.).
honesty, sincerity — each the opposite of duplicity (Deceitful double-dealing.).
Yes. duplicity is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
dupl(双) + icity → 双重面孔。