Wǒ kǎolǜ kǎolǜ.

我考虑考虑。

Let me think about it.


Notes:

我(wǒ): I

考虑(kǎolǜ): to think about

Example:

A：先生，你要买这辆法拉利吗？

     Xiānshenɡ，nǐ yào mǎi zhè liànɡ Fǎlālì mɑ？

     Mr， do you want to buy this Farrari?

B：我考虑考虑。

     Wǒ kǎolǜ kǎolǜ.

     Let me think about it.