他因关于他过去的令人震惊的揭露而辞职。

He resigned following a shocking ___revelation about his past.

关于社区英雄的新揭露让每个人都感到惊讶。

A new ___revelation about the community hero surprised everyone.

机密文件的揭露引起了政治骚乱。

The ___revelation of classified documents caused a political uproar.