to quickly say or practise something

I'll just run over what's been said so far, for latecomers who missed the first speakers. 为使后来才到的人了解前几个发言者所讲的内容，我将对已作的发言简要复述一下。

She quickly ran over her speech before going on-stage. 她在登台之前将演讲内容快速过了一遍。

The director wants to run through the whole play this morning. 导演想要在今天上午排演整部剧。

to examine a document or subject with someone in order to explain it or to get their help or opinion on it

I'd like to run over the main points of the article with you. 我想和你一起探讨一下这篇文章的要点。

I'm really struggling with this maths - could you run through it with me later? 这道数学题我怎么都做不出来，一会儿你能跟我一起看看吗？