No matter what you say, I will not change my mind.

不管你怎么说，我都不会改变主意。

He is so cussed that he won't change his mind no matter what you say.

他非常固执，无论你说什么他都不会改变主意。

No matter what you say.

不管你说什么。

No matter what you say, I wont believe you.

无论你说什么，我都不会相信你。（解释是没有用的）

I am going anyhow, no matter what you say.

不管你怎么说，我都要去。

No matter what you say: I won't comprehend you.

不论你说什么，我都不会信托你。

I am coming anyway, no matter what you say.

不管你怎么说，我无论如何都要来。

I'll stick with my idea no matter what you say.

不管你怎么说，我坚持我的看法。

No matter what you say, I can't agree to your opinion resolutely.

无论你说什么，我决不会同意你的看法。

Ella:No matter what you say, I am not going out tonight. It's Halloween and evil things are lurking everywhere.

艾拉：不管你怎么说，我今晚是不会出去的。今天是鬼节，到处都潜伏着邪恶的东西。