- Traditional Chinese Character(HanT):
孤單單
- Simplified Chinese Character(HanS):
孤单单
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨ ㄉㄢ ㄉㄢ (ㄍㄉㄉ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej 20 20 " (ej2020)
- (ASCII) Hanyu Pinyin: "gudandan" "Gu1Dan1Dan1" "Gu1 Dan1 Dan1" (GDD)
- (Latin) Hànyǔ Pīnyīn: GūDānDān [ Gū Dān Dān ]
- (英文翻譯) English Translation: "lonely"
- (西語翻譯) Traducción Español: "solitario"
- (日文翻譯) 日本語翻訳: "さみしい"