3 sentences

1. 他抛弃了他的部队。

   tā pāo​qì le tā de bù​duì.

   He abandoned his troops.

   Source: CCMatrix

2. 你必须先加入警察部队。

   nǐ bì​xū xiān jiā​rù jǐng​chá bù​duì.

   You must first join the police force.

   Source: CCMatrix

3. 你离开部队时，必须把军服上缴。

   nǐ lí kāi bù​duì shí, bì​xū bǎ jūn​fú shàng​jiǎo.

   You must turn in your uniform when you leave the army.

   Source: UM-Corpus: Education