poseur|poseurs

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.

咖啡馆里那些假装讨论哲学的其实是些装腔作势的冒牌货。

The coffee shop was filled with ___poseurs pretending to discuss philosophy.

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.