二面性を英語で何というか？

0:34 I knew you were stupid. but I didn't realize you were two-faced. あんたがお馬鹿さんだとは知っていたけど、二枚舌だとはしらなかったわ。

Stupid & two-faced - Zoe Slater & Anthony Trueman - EastEnders - BBC
https://www.youtube.com/watch?v=jBoOim_yFjM  2:49 she's just two-faced, isn't she? アリスちゃんは浮気をしておきながら、旦那の前では知らぬ存ぜぬを装って、ジキル&ハイドのようだ。
Alice's Bear Affair - Great Bear Stakeout - Episode 1 - BBC One
https://www.youtube.com/watch?v=NidDGaGbRpA  0:40 so how damaging is his sort of two-faceness gonna be? ジョン・マケインを批判するトランプ氏は以前彼を持ち上げていた。トランプさんのこの二面性は彼のキャンペーンにどう響くでしょうか？
Donald Trump in 2008: I like, respect John McCain
https://www.youtube.com/watch?v=U0eMblFGYjI  0:59 that two-faced lying son of a bastard あの二面獣、クソ旦那野郎！
Laws of Attraction Full Movie (Comedy, Romance)

練習問題解答
b-3043 two-faced