- Traditional Chinese Character(HanT):
2
- Simplified Chinese Character(HanS):
2
- Bopomofo(Mandarin Phonetic Symbols): ㄦˋ (ㄦ)
- Bopomofo(Zhuyin Keyboard Input/IME): -4
- 「2」的漢語拼音: Er4
- (ASCII) Hanyu Pinyin: "er" "Er4" "Er4" (E)
- (Latin) Hànyǔ Pīnyīn: èr [ èr ]
- (英文翻譯) English Translation: "2"
- (西語翻譯) Traducción Español: "2"
- (日文翻譯) 日本語翻訳: "2"