阿: Prefixes added to titles: A-Da. A-Ye. A-Die. Arhat. A-Mao. A-Po. A-Di. A-Zi.
凯: Triumphant song, a victorious return. It metaphorically signifies exceptional ability leading to certain success.
Meaning: The name 'A Kai' has a harmonious rhythm and conveys a positive, energetic vibe.