- Traditional Chinese Character(HanT):
快樂
- Simplified Chinese Character(HanS):
快乐
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄨㄞˋ ㄩㄝˋ (ㄎㄩ)
- Bopomofo(Zhuyin Keyboard Input/IME): dj94m,4
- (ASCII) Hanyu Pinyin: "kuaiyue" "Kuai4Yue4" "Kuai4 Yue4" (KY)
- (Latin) Hànyǔ Pīnyīn: KuàiYuè [ Kuài Yuè ]
- (英文翻譯) English Translation: "hapiness"
- (西語翻譯) Traducción Español: "felicidad"
- (日文翻譯) 日本語翻訳: "幸福"