3 sentences

1. 马桶的水箱配件坏了，导致水流不止。

   mǎ​tǒng de shuǐ​xiāng pèi​jiàn huài le, dǎo​zhì shuǐ​liú bù​zhǐ.

   The toilet tank components are broken, causing the water to run continuously.

   Source: Dong Chinese Dictionary

2. 他坐在马桶上玩手机，已经半个小时了。

   tā zuò zài mǎ​tǒng shàng wán shǒu​jī, yǐ​jīng bàn gè xiǎo​shí le.

   He's been sitting on the toilet playing with his phone for half an hour.

   Source: Dong Chinese Dictionary

3. 在老式弄堂里，清晨常能听到刷马桶的声音。

   zài lǎo​shì lòng​táng lǐ, qīng​chén cháng néng tīng​dào shuā mǎ​tǒng de shēng​yīn.

   In the old alleys, the sound of scrubbing toilets can often be heard in the early morning.

   Source: Dong Chinese Dictionary