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。

《柯林斯英汉双解大词典》

He knew about several vacations I had taken with my family, where I lived, and other more personal items that I am now trying to expunge from my cyber file.

他知道我带全家去哪些地方度假，我家住在哪里，还有更多其他个人信息，眼下我正忙着从个人网络文件删除这些信息。

youdao

Expunge this junk from the requirements document.

从需求文档中除去此垃圾。

youdao

Making indexation permanent would remove the annual threat of such a tax increase and expunge from the budget this fictional source of future revenues.

FORBES: Move up http://i.forbesimg.com t Move down

It also explains the strong correlation between imports and exports, between imports and GDP, and between imports and job growth facts that too many politicians wish to expunge from the record.

FORBES: Imports Viewed Skeptically at the Washington Post

In Britain's political youthocracy all three party leaders are in their 40s the 60-year-old Mr Howard was the personification of yesterday's man: one of the most-disliked members of a government that even loyal Tories try to expunge from their collective memory.

ECONOMIST: Bagehot