他整天谈论哲学却连基本概念都搞不清，真是个装腔作势的人。

He talks about philosophy all day but doesn't even understand basic concepts—what a ___poseur.

那个穿得花里胡哨的家伙其实是个装模作样的假行家。

That guy in flashy clothes is just a ___poseur pretending to know about fashion.