"Goodbye miss, have a good life."
Here's a breakdown:
* Adios: Goodbye
* Señorita: Miss (formal, used to address a young woman)
* tengas: (you) have (formal, subjunctive mood)
* una buena vida: a good life
This is a polite and respectful way to say goodbye to a woman in Spanish. It implies that you wish her well and hope she has a happy and fulfilling future.