夏: Summer, the season of vitality and vigor, embodies a spirit of health and exuberance.
非: No, it is not. In personal names, it is extended to signify something extraordinary, denoting both exceptional character and striking appearance.
Meaning: Xia Fei has a melodious sound; 'Xia' represents passion and vitality, while 'Fei' signifies extraordinariness and uniqueness.