5 sentences

1. 我保证我们就快完事了。

   wǒ bǎo​zhèng wǒ​men jiù kuài wán​shì le.

   I promise we're almost done.

   Source: OpenSubtitles

2. 十分钟就完事了。

   shí fēn​zhōng jiù wán​shì le.

   It'll be over in 10 minutes.

   Source: OpenSubtitles

3. 我就快完事了。

   wǒ jiù kuài wán​shì le.

   I'm almost finished.

   Source: OpenSubtitles

4. 最难的是完事后怎么清理干净。

   zuì nán de shì wán​shì hòu zěn​me qīng​lǐ gān​jìng.

   The hardest part is cleaning up afterwards.

   Source: OpenSubtitles

5. 等这件工作完事了，我们就去吃饭。

   děng zhè jiàn gōng​zuò wán​shì le, wǒ​men jiù qù chī​fàn.

   When this job is done, we'll go to eat.

   Source: Dong Chinese Dictionary