5 sentences

1. 我们寝室一共有四个人。

   wǒ​men qǐn​shì yī​gòng yǒu sì gè rén.

   There are four people in our dormitory.

   Source: Dong Chinese Dictionary

2. 他忙于公务，常常废寝忘飧。

   tā máng​yú gōng​wù, cháng​cháng fèi​qǐn wàng sūn.

   He is so busy with official business that he often neglects his sleep and meals.

   Source: Dong Chinese Dictionary

3. 把寝宫准备好。

   bǎ qǐn​gōng zhǔn​bèi hǎo.

   Get a bedchamber ready.

   Source: OpenSubtitles

4. 要是你十分钟见不到我，打我寝室电话。

   yào​shi nǐ shí fēn​zhōng jiàn bù dào wǒ, dǎ wǒ qǐn​shì diàn​huà.

   If you don't see me in ten minutes, call my room.

   Source: OpenSubtitles

5. 宿管阿姨每天晚上十点准时到各个寝室查房。

   sù​guǎn ā​yí měi tiān wǎn​shang shí​diǎn zhǔn​shí dào gè gè qǐn​shì chá​fáng.

   The dormitory supervisor makes her rounds of the rooms at ten o'clock sharp every night.

   Source: Dong Chinese Dictionary