nihilist
  虛無主義者
  Ni·hil·ist, n.
  1. One who advocates the doctrine of nihilism; one who believes or teaches that nothing can be known, or asserted to exist.
  2. Politics A member of a secret association (esp. in Russia), which is devoted to the destruction of the present political, religious, and social institutions.
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  nihilist
       n 1: someone who rejects all theories of morality or religious
            belief
       2: an advocate of anarchism [syn: anarchist, syndicalist]