Be careful what you say next time.

下次说话要小心。

Be sure that what you do is true to what you say.

确保你所做的与所说的相符。

Speak loudly and clearly so everyone can understand what you say.

大声清晰地说，让每个人都能理解你说的话。

Take care of what you say and do.

留心你的言行。

Be careful what you say, walls have ears.

你说话小心点，隔墙有耳。

If you can do what you say, I will be very grateful.

如果你能说到做到，我会非常感激。

I do not care what you say; I have my own ideas.

我不在乎你怎么说，我有自己的想法。

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。

His temper is quite volatile, so be careful what you say around him.

他的脾气相当易变，所以在他周围说话要小心。

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。