2 sentences

1. 我们还是先谈正经事吧。

   wǒ​men hái​shi xiān tán zhèng​jīng​shì ba.

   Let's talk about serious business first.

   Source: Dong Chinese Dictionary

2. 咱们别瞎扯了，说点正经事吧。

   zán​men bié xiā chě le, shuō diǎn zhèng​jīng​shì ba.

   Let's stop talking nonsense and get down to business.

   Source: Dong Chinese Dictionary