3 sentences

1. 请用水把碗里的这些残渣荡去。

   qǐng yòng shuǐ bǎ wǎn lǐ de zhè​xiē cán​zhā dàng qù.

   Please rinse out the residue in the bowl with water.

   Source: Dong Chinese Dictionary

2. 要是胡子再长长，我就得从里面挑食物残渣了。

   yào​shi hú​zi zài zhǎng cháng, wǒ jiù děi cóng lǐ​miàn tiāo shí​wù cán​zhā le.

   If that beard gets any longer, I'll be picking food out of it.

   Source: OpenSubtitles

3. 油脂和食物残渣可能会阻塞厨房的排水管。

   yóu​zhī hé shí​wù cán​zhā kě​néng huì zǔ​sè chú​fáng de pái​shuǐ​guǎn.

   Grease and food scraps can clog the kitchen drain.

   Source: Dong Chinese Dictionary