Gēn wǒ shuōshuō ba.

跟我说说吧。

Talk to me about it.

Notes:

跟(gēn): with

我(wǒ): me, I

说(shuō): to talk, to speak

吧(ba): modal particle word which makes the sentence sound like a suggestion

Example:

A：发生什么事了？跟我说说吧？

     Fāshēnɡ shénme shì le? Gēn wǒ shuōshuō bɑ.

     What happened? Talk to me about it.

B：没事，谢谢。

     Méishì， xièxiè.

     Nothing. Thanks.