- Traditional Chinese Character(HanT):
２０難不難
- Simplified Chinese Character(HanS):
２０难不难
- Bopomofo(Mandarin Phonetic Symbols): ㄦˋ ㄌㄧㄥˊ ㄋㄢˊ ㄅㄨˋ ㄋㄢˊ (ㄦㄌㄋㄅㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): -4xu/6s061j4s06
- 「２０難不難」的注音符號/「２０難不難」怎麼發音怎麼唸: ㄦˋ ㄌㄧㄥˊ ㄋㄢˊ ㄅㄨˋ ㄋㄢˊ
- (ASCII) Hanyu Pinyin: "erlingnanbunan" "Er4Ling2Nan2Bu4Nan2" "Er4 Ling2 Nan2 Bu4 Nan2" (ELNBN)
- (Latin) Hànyǔ Pīnyīn: èrLíngBù [ èr Líng Bù ]
- (英文翻譯) English Translation: "20 Is it difficult?"
- (西語翻譯) Traducción Español: "20 ¿Es difícil?"
- (日文翻譯) 日本語翻訳: "20 難しいですか？"
