Simple Sentences:
* The old man surprised everyone with his vigor and energy.
* She attacked her work with vigor, determined to succeed.
* The athlete's vigor was evident in his powerful strides.
More Complex Sentences:
* Despite his age, he still possessed a youthful vigor that inspired all who knew him.
* Her speech was filled with passion and vigor, captivating the audience from start to finish.
* The company's new CEO brought a much-needed vigor to the team, injecting fresh ideas and enthusiasm.
Figurative Language:
* The spring flowers bloomed with vigor, their colors vibrant and bold.
* He fought the disease with vigor, refusing to give in to despair.
* The economy is showing signs of renewed vigor, with businesses expanding and jobs being created.
Remember: "Vigor" refers to physical strength, mental energy, or enthusiasm. Choose the sentence structure and context that best fit the meaning you want to convey.