- Traditional Chinese Character(HanT):
4121
- Simplified Chinese Character(HanS):
4121
- Bopomofo(Mandarin Phonetic Symbols): ㄙˋ ㄧ ㄦˋ ㄧ (ㄙㄧㄦㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): "n4u -4u " (n4u-4u)
- (ASCII) Hanyu Pinyin: "siyieryi" "Si4Yi1Er4Yi1" "Si4 Yi1 Er4 Yi1" (SYEY)
- (Latin) Hànyǔ Pīnyīn: SìYīèrYī [ Sì Yī èr Yī ]
- (英文翻譯) English Translation: "4121"
- (西語翻譯) Traducción Español: "4121"
- (日文翻譯) 日本語翻訳: "4121"