noun, verb, particle · a formal written or spoken account of something

我明天要提交一份详细的调查报告。

verb, noun · to inform or notify a superior; to make something known officially

他向上级报告了最新的工作进展。

verb, noun · a formal speech, talk, or presentation given to an audience

教授今天下午在礼堂做学术报告。