pretentious
adjective disapproving uk/prɪˈten.ʃəs/ us/prɪˈten.ʃəs/
（尤指在文学艺术方面）炫耀的，矫饰的，自以为是的
trying to appear or sound more important or clever than you are, especially in matters of art and literature
a pretentious art critic 自以为是的艺术评论家
The novel deals with grand themes, but is never heavy or pretentious. 这部小说探讨的是重大主题，但它决不沉闷也不矫饰。