3 sentences

1. 厨房的排水管堵塞了。

   chú​fáng de pái​shuǐ​guǎn dǔ​sè le.

   The kitchen drain is clogged.

   Source: Dong Chinese Dictionary

2. 那条排水管被杂物闭住了，污水排不出去。

   nà tiáo pái​shuǐ​guǎn bèi zá​wù bì zhù le, wū​shuǐ pái bù chū​qù.

   The drainpipe was blocked by debris, and the sewage couldn't flow out.

   Source: Dong Chinese Dictionary

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