2 sentences

1. 洗澡时要注意保持下身的清洁。

   xǐ​zǎo shí yào zhù​yì bǎo​chí xià​shēn de qīng​jié.

   Pay attention to keeping your private parts clean when bathing.

   Source: Dong Chinese Dictionary

2. 他在锻炼中主要加强了下身的力量。

   tā zài duàn​liàn zhōng zhǔ​yào jiā​qiáng le xià​shēn de lì​liang.

   During his workout, he mainly focused on strengthening his lower body.

   Source: Dong Chinese Dictionary