4 sentences

1. 我不应该空腹喝酒的。

   wǒ bù yīng​gāi kōng​fù hē jiǔ de.

   I shouldn't drink on an empty stomach.

   Source: OpenSubtitles

2. 医生建议患者空腹进行体检。

   yī​shēng jiàn​yì huàn​zhě kōng​fù jìn​xíng tǐ​jiǎn.

   The doctor advised the patient to have the physical exam on an empty stomach.

   Source: Dong Chinese Dictionary

3. 医生要求我明天早上空腹去医院抽血。

   yī​shēng yāo​qiú wǒ míng​tiān zǎo​shang kōng​fù qù yī​yuàn chōu​xuè.

   The doctor asked me to go to the hospital for a blood test on an empty stomach tomorrow morning.

   Source: Dong Chinese Dictionary

4. 医生建议他明天早上空腹去医院验血。

   yī​shēng jiàn​yì tā míng​tiān zǎo​shang kōng​fù qù yī​yuàn yàn​xiě.

   The doctor suggested he go to the hospital for a blood test on an empty stomach tomorrow morning.

   Source: Dong Chinese Dictionary