Is what you said true?

你说的是真的吗？

What you said is exactly right.

你说的就是对的。

What you said might offend him.

你说的话可能会得罪他。

What you said indeed makes sense.

你说的的确有道理。

What you said is completely wrong.

你说的完全不对。

What you said might offend others.

你说的话可能会惹到别人。

What you said is truely reasonable.

你说的确实有道理。

What you said is simply outrageous.

你说的话简直离谱。

Sorry, I didn't hear what you said.

对不起，我没有听清楚你说的话。

What you said makes sense, be it so.

你说的有道理，就这样吧。