- Traditional Chinese Character(HanT):
快樂世界
- Simplified Chinese Character(HanS):
快乐世界
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄨㄞˋ ㄌㄜˋ ㄕˋ ㄐㄧㄝˋ (ㄎㄌㄕㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): dj94xk4g4ru,4
- 「快樂世界」的注音符號/「快樂世界」怎麼發音怎麼唸: ㄎㄨㄞˋ ㄌㄜˋ ㄕˋ ㄐㄧㄝˋ
- (ASCII) Hanyu Pinyin: "kuaileshijie" "Kuai4Le4Shi4Jie4" "Kuai4 Le4 Shi4 Jie4" (KLSJ)
- (Latin) Hànyǔ Pīnyīn: KuàiLèShìJiè [ Kuài Lè Shì Jiè ]
- (英文翻譯) English Translation: "happy world"
- (西語翻譯) Traducción Español: "mundo feliz"
- (日文翻譯) 日本語翻訳: "幸せな世界"