Here are some examples of sentences using "finally":
* "After hours of searching, I finally found my keys." (This sentence emphasizes the completion of a long task)
* "The train finally arrived at the station." (This sentence emphasizes the end of a wait)
* "I finally understand what you're trying to say." (This sentence emphasizes a moment of comprehension)
To help you write a sentence, please provide more context about what you want to convey. For example:
* What is the situation or event that "finally" describes?
* What is the emotion or feeling you want to express?
* Are there any specific details or actions involved?