冒牌

That man is a total phony, he palms himself off as a Ph.d.

那家伙是个彻彻底底货,他称是个博士。

He succeeded in his profession, but he always secretly considered himself an impostor.

他在专业方面很成功，但他常暗认为是个货。

Australia's bunyip aristocracy.

澳大利亚贵族阶层。