VERB
删除;清除;抹掉
If you expunge something, you get rid of it completely, because it causes problems or bad feelings.
例句
The revolutionaries expunged domestic opposition...
革命者肃清了国内敌对势力。
The experience was something he had tried to expunge from his memory...
他曾努力将那段经历从记忆中抹去。