malcontent /ˈmælkənˌtɛnt/

• 1. 

  N-COUNT You can describe people as malcontents when you disapprove of the fact that they are dissatisfied with a situation and want it to change. 不满者 [正式] [usu pl]

  例：

  Five years ago a band of malcontents, mainly half-educated radicals, seized power.

  五年前，一群以文化程度不高的激进分子为主的不满者掌握了实权。