Examples of using "Hyvästiksi" in a sentence and their english translations:
As the train pulled out, they waved goodbye to their parents.
Tom said, "You can kiss your girlfriend goodbye if you don't kiss her goodbye," which meant, "If you don't kiss your girlfriend goodbye, then you'll never see her again."
Just as we were leaving the exam room the doctor waved his hand saying, 'bye-bye'.
He kissed her goodbye and left, never to be seen again.