expunge
verb (formal)- expunge something (from something)
to remove or get rid of something, such as a name, piece of information or a memory, from a book or list, or from your mind 抹去；除去；删去 Details of his criminal activities were expunged from the file. 他犯罪活动的详细情况已从档案中删去。 What happened just before the accident was expunged from his memory. 事故前一刻发生的事他都记不得了。 She sought to expunge every trace of the event from her memory. 她试图从记忆中抹去这件事的所有痕迹。 The word ‘socialism’ has been expunged from the party’s manifesto. “社会主义”一词已从该党的宣言中删除。
Word Originearly 17th cent.: from Latin expungere ‘to underline something with points or dots, to show that it should be deleted’, from ex- ‘out’ + pungere ‘to prick’.