duplicity
noun [ U ] formal uk/dʒuˈplɪs.ə.ti/ us/duːˈplɪs.ə.t̬i/
欺骗;（尤指）搞两面派
dishonest talk or behaviour, especially by saying different things to two people
They were accused of duplicity in their dealings with both sides. 他们被指责在与双方打交道的过程中玩弄两面派伎俩。
Synonym: double-dealing