underwhelmed       
adjective  humorous uk/ˌʌn.dəˈwelmd/ us/-dɚ-/
 毫不激动的,无动于衷的
feeling no excitement about or admiration for something or someone
  I get the feeling that John's colleagues are distinctly underwhelmed by his latest proposal. 我感到职工们对约翰最新的提议明显毫无兴趣。