Formal:
* "The hikers were as hungry as wolves after their long trek through the wilderness."
* "The company's new marketing campaign was as hungry as a wolf for success, leaving no stone unturned to reach its target audience."
Informal:
* "I'm as hungry as a wolf after that workout. Let's grab some pizza!"
* "My little brother is as hungry as a wolf after school. He eats everything in sight!"
* "The dog was as hungry as a wolf after being left alone for a whole day."
Figurative:
* "The economic recession made the company as hungry as a wolf for new clients."
* "The politician was as hungry as a wolf for power, willing to do anything to win the election."
Remember, "as hungry as a wolf" is a simile, meaning it uses the word "as" to compare something to something else. In this case, it's comparing someone or something's hunger to the hunger of a wolf, known for its voracious appetite.