hypocrite
noun [ C ] disapproving uk/ˈhɪp.ə.krɪt/ us/ˈhɪp.ə.krɪt/
伪君子，伪善者
someone who says they have particular moral beliefs but behaves in way that shows these are not sincere
He's a hypocrite - he's always lecturing other people on the environment but he drives around in a huge car. 他是个伪君子——他总在教导别人要保护环境，可他自己却开着辆大排量的汽车到处转。