hypocritical 伪善的，虚伪的
Come on. Do you know how hypocritical this is?
拜托，你知道这有多虚伪吗？

hypocrite 伪君子，虚伪的人，伪善者
They branded her a hypocrite.
他们污蔑她是伪善的人。

live a lie 过两面人的生活，过骗人的生活；为人虚伪
I'm living a lie at work.
工作的时候，我带着面具做人。
I have to keep living a lie so that the world accepts me.
我必须伪装自己，才能让这个世界接受我。

It's all show. 这是装样子的！
He made a great show of compassion.
他装作很有爱心的样子。
He made a great show of affection, but I knew he didn't mean it.
他大表爱慕之情，但我知道他不是真心。

two-faced 两面派的；言行不一的；阴一套阳一套的
She pretends to be a friend but talks about me behind my back. She is so two-faced.
她假装是我的朋友，却在背后议论我。她真是个两面派。

speak from both sides of your mouth 见人说人话，见鬼说鬼话
I don't trust that candidate -- he still hasn't committed to a clear course of action and is always speaking out of both sides of his mouth.
我不相信这个候选人--他没有任何明确的行动，而且总是见人说人话，见鬼说鬼话。