- Traditional Chinese Character(HanT):
四階
- Simplified Chinese Character(HanS):
四阶
- Bopomofo(Mandarin Phonetic Symbols): ㄙˋ ㄐㄧㄝ (ㄙㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): "n4ru, " (n4ru,)
- 「四階」的注音符號/「四階」怎麼發音怎麼唸: ㄙˋ ㄐㄧㄝ
- (ASCII) Hanyu Pinyin: "sijie" "Si4Jie1" "Si4 Jie1" (SJ)
- (Latin) Hànyǔ Pīnyīn: SìJiē [ Sì Jiē ]
- (英文翻譯) English Translation: "fourth level"
- (西語翻譯) Traducción Español: "cuarto nivel"
- (日文翻譯) 日本語翻訳: "第 4 レベル"