asceticism
 禁慾主義,苦行
 As·cet·i·cism n. The condition, practice, or mode of life, of ascetics.
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 asceticism
      n 1: the doctrine that through renunciation of worldly pleasures
           it is possible to achieve a high spiritual or
           intellectual state
      2: the trait of great self-denial (especially refraining from
         worldly pleasures) [syn: austerity, nonindulgence]
      3: rigorous self-denial and active self-restraint [syn: ascesis]