Hello in Romansh...Bun Di, but I'm not sure about goodbye?
"Hi!" in English is Sali! or Salut! in French, Hallo! or Tschau! in German, Ciao! in Italian and Allegra! in Romansh.
"Goodbye to summer!" in English is Addio all'estate! in Italian.
"Goodbye, my lover!" in English is Arrivederci, amante mio! in Italian.
goodbye
Adios.
Ciao belisima
Au revoir! in French is "Goodbye!" in English.
Ciao Bella
Tchau, bonito! in "Portuguese is "Goodbye, beautiful!" in English.
"So long, not goodbye" in English means A più tardi, ma non addio in Italian.
"Hallo und auf Wiedersehen"
Translation: Hola y adiós.