2 sentences

1. 他最近总是觉得后腰酸疼。

   tā zuì​jìn zǒng​shì jué​de hòu​yāo suān​téng.

   He has been feeling soreness in his lower back lately.

   Source: Dong Chinese Dictionary

2. 这名球员在场上的位置是后腰。

   zhè míng qiú​yuán zài chǎng shàng de wèi​zhi shì hòu​yāo.

   This player's position on the field is defensive midfielder.

   Source: Dong Chinese Dictionary