Nǐ shuō de méicuò.

你说得没错。

You're right.


Notes:

你(nǐ): you

说(shuō): to say, to speak

得(de): particle word

没错(méicuò): right, correct

Example:

A：他太帅了！

     tā tài shuài le.

     He's so handsome.

B：你说得没错。

     Nǐ shuō de méicuò.

     You're right.