谈开

wǒ men wèi shén me bù bǎ zhè shì tán kāi ne

我们为什么不把这事谈开呢？

Why don't we talk it through?

wǒ men yǐ jīng bǎ huà tán kāi le

我们已经把话谈开了。

We had a frank talk.