How to Use "Faustian" with Example Sentences

1. But this revolution could prove to be a faustian bargain .
2. I would never grasp the christian and faustian world idea , forever alien to me .
3. Eventually , galen settled on a faustian falernian as the finest wine in existence .
4. This is straight faustian bargaining .
5. Policymakers have made a faustian bargain .