Your oral English is good.

你的英语口语很好。

He is said to be good at oral English.

据说他擅长英语口语。

I have spent a lot of time scratching my head about how to improve my oral English.

我一直绞尽脑汁思考怎么提高我的英语口语。

In my experience, if you practice oral English with your partner, you can make progress faster.

根据我的经验，如果你和搭档一起练习口语，你会进步得更快。

This order of importance of oral English study should be followed: fluency, accuracy, and appropriateness.

英语口语中的重要次序应为： 流利，准确和恰当。