best wishes / congratulations
au-GU-ri
'Tanti auguri a te' is the Italian Happy Birthday song melody — the same tune as the English version. 'Auguri' is the plural of 'augurio' (wish/omen).
Auguri! Hai superato l'esame!
Congratulations! You passed the exam!
Tanti auguri di buon compleanno!
Best birthday wishes!