expunge /ɪkˈspʌndʒ/ TEM8 (expunging,expunged,expunges)

• 1.  

  V-T（及物动词） If you expunge something, you get rid of it completely, because it causes problems or bad feelings. 清除; 抹去 [正式]

  例：

  The revolutionaries expunged domestic opposition.

  革命者清洗了国内反对派。