expunge

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

The revolutionaries expunged domestic opposition. 革命者清洗了国内反对派。

The experience was something he had tried to expunge from his memory. 这种经历是他过去试图从记忆中抹去的。

His name was expunged from the record books. 他的名字从记录册中被删除了。