- Traditional Chinese Character(HanT):
快樂童年
- Simplified Chinese Character(HanS):
快乐童年
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄨㄞˋ ㄌㄜˋ ㄊㄨㄥˊ ㄋㄧㄢˊ (ㄎㄌㄊㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): dj94xk4wj/6su06
- 「快樂童年」的注音符號/「快樂童年」怎麼發音怎麼唸: ㄎㄨㄞˋ ㄌㄜˋ ㄊㄨㄥˊ ㄋㄧㄢˊ
- (ASCII) Hanyu Pinyin: "kuailetongnian" "Kuai4Le4Tong2Nian2" "Kuai4 Le4 Tong2 Nian2" (KLTN)
- (Latin) Hànyǔ Pīnyīn: KuàiLèTóng [ Kuài Lè Tóng ]
- (英文翻譯) English Translation: "happy childhood"
- (西語翻譯) Traducción Español: "infancia feliz"
- (日文翻譯) 日本語翻訳: "幸せな子供時代"