- Traditional Chinese Character(HanT):
快樂
- Simplified Chinese Character(HanS):
快乐
- Bopomofo(Mandarin Phonetic Symbols): ㄎㄨㄞˋ ㄌㄜˋ (ㄎㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): dj94xk4
- (ASCII) Hanyu Pinyin: "kuaile" "Kuai4Le4" "Kuai4 Le4" (KL)
- (Latin) Hànyǔ Pīnyīn: KuàiLè [ Kuài Lè ]
- (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"