- Traditional Chinese Character(HanT):
弟弟
- Simplified Chinese Character(HanS):
弟弟
- Bopomofo(Mandarin Phonetic Symbols): ㄉㄧˋ ㄉㄧ˙ (ㄉㄉ)
- Bopomofo(Zhuyin Keyboard Input/IME): 2u42u7
- (ASCII) Hanyu Pinyin: "didi" "Di4Di0" "Di4 Di0" (DD)
- (Latin) Hànyǔ Pīnyīn: DìDi [ Dì Di ]
- (英文翻譯) English Translation: "younger brother"
- (西語翻譯) Traducción Español: "hermano menor"
- (日文翻譯) 日本語翻訳: "弟"