holier-than-thou
adj
(infml derog 口, 贬) thinking that one is more virtuous than others; self-righteous 自以为品格高人一等的; 自以为是的
a holier-than-thou preacher, attitude 好为人师的说教者、 态度.
Fortunately for them, the Bank of England has a team called Mutilated Ladies which deals with claims from people who fed their money to a machine or to their dog.