"Eres profesór excelente."
"Excellent" in Spanish is "excelente". It is pronounced "ex-say-LEN-tay". Please see this site for confirmation of the translation: http://www.answers.com/library/Translations
usted tiene excelente sabor en la música
we say "excellent"
excellente
You can say "It was excellent" or "It was excellent."
excellente
excelente
bravo or excelente
"Excellent work" would be Excellent travail
In Maori, you can say "nui rawa" to mean excellent.
It is "Lo más excelente."