3 sentences

1. 他靠这种手段肥了自己的腰包。

   tā kào zhè zhǒng shǒu​duàn féi le zì​jǐ de yāo​bāo.

   He lined his own pockets through such means.

   Source: Dong Chinese Dictionary

2. 这一笔奖金让他的腰包鼓了不少。

   zhè yī bǐ jiǎng​jīn ràng tā de yāo​bāo gǔ le bù​shǎo.

   This bonus significantly lined his pockets.

   Source: Dong Chinese Dictionary

3. 登山时，他把手机和钥匙都放在腰包里。

   dēng​shān shí, tā bǎ shǒu​jī hé yào​shi dōu fàng zài yāo​bāo lǐ.

   While climbing, he put his phone and keys in a fanny pack.

   Source: Dong Chinese Dictionary