2 sentences for 水泡 (shuǐ​pào — blister)

1. 我脚底磨出了个水泡。

   wǒ jiǎo​dǐ mó chū le gè shuǐ​pào.

   I got a blister on the sole of my foot.

   Source: Dong Chinese Dictionary

2. 她的脚后跟磨出了一个大水泡。

   tā de jiǎo​hòu​gēn mó chū le yī gè dà shuǐ​pào.

   She got a big blister on her heel.

   Source: Dong Chinese Dictionary