ˈflʌɹ.ɪʃ ˈflʌɹ.ɪʃ ˈpɹɒspə(ɹ) ˈpɹɑspɚ θɹaɪv

be elated He was flying high during the summer months make steady progress; be at the high point in one's career or reach a high point in historical significance or importance The new student is thriving