- Traditional Chinese Character(HanT):
外丹
- Simplified Chinese Character(HanS):
外丹
- Bopomofo(Mandarin Phonetic Symbols): ㄨㄞˋ ㄉㄢ (ㄨㄉ)
- Bopomofo(Zhuyin Keyboard Input/IME): "j9420 " (j9420)
- (ASCII) Hanyu Pinyin: "waidan" "Wai4Dan1" "Wai4 Dan1" (WD)
- (Latin) Hànyǔ Pīnyīn: WàiDān [ Wài Dān ]
- (英文翻譯) English Translation: "Waidan"
- (西語翻譯) Traducción Español: "waidan"
- (日文翻譯) 日本語翻訳: "ワイダン"