- Traditional Chinese Character(HanT):
孤孤單單
- Simplified Chinese Character(HanS):
孤孤单单
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨ ㄍㄨ ㄉㄢ ㄉㄢ (ㄍㄍㄉㄉ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej ej 20 20 " (ejej2020)
- (ASCII) Hanyu Pinyin: "gugudandan" "Gu1Gu1Dan1Dan1" "Gu1 Gu1 Dan1 Dan1" (GGDD)
- (Latin) Hànyǔ Pīnyīn: GūGūDānDān [ Gū 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"