The public is tired of the politician's hypocrisy; he promises reform on camera but serves special interests behind the scenes.

hypocrisy 是名词，来自希腊语 hypokrisis（表演、伪装）。这个词由前缀 hypo-（在...之下）和 krinein（判断、决定）组成，字面意思是"在表面之下做判断"，引申为"虚伪、伪善"的行为或品质。