He calls himself a historian, but his books are a mere journalism.

他自称为历史学家, 但是他的书都是些肤浅的通俗作品。

That is only a facile answer.

那只是一个很肤浅的回答。

They only had what passed for self-awareness, cloaking a flightiness and lethargy that was both childish and very real.

他们仅仅拥有所谓的“自”，此掩饰着自身既稚气但又极其真实的肤浅和懒散。

It's a superficial book.

这是一本立论肤浅的书。