4 sentences

1. 事情办完了，咱们走人吧。

   shì​qing bàn​wán le, zán​men zǒu​rén ba.

   Now that it's done, let's get going.

   Source: Dong Chinese Dictionary

2. 这事儿没办完，我这颗心总悬着。

   zhèi shì r méi bàn​wán, wǒ zhèi kē xīn zǒng xuán zhe.

   Since this matter isn't finished yet, I'm always on edge.

   Source: Dong Chinese Dictionary

3. 既然事情都办完了，你就先回家吧。

   jì​rán shì​qing dōu bàn​wán le, nǐ jiù xiān huí​jiā ba.

   Since everything is finished, you should go home for now.

   Source: Dong Chinese Dictionary

4. 你可以先行一步去餐厅，我办完事就过去。

   nǐ kě​yǐ xiān​xíng yī bù qù cān​tīng, wǒ bàn​wán shì jiù guò​qù.

   You can head to the restaurant first; I will join you once I finish my work.

   Source: Dong Chinese Dictionary