- Traditional Chinese Character(HanT):
理論家
- Simplified Chinese Character(HanS):
理论家
- Bopomofo(Mandarin Phonetic Symbols): ㄌㄧˇ ㄌㄨㄣˋ ㄐㄧㄚ (ㄌㄌㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): "xu3xjp4ru8 " (xu3xjp4ru8)
- (ASCII) Hanyu Pinyin: "lilunjia" "Li3Lun4Jia1" "Li3 Lun4 Jia1" (LLJ)
- (Latin) Hànyǔ Pīnyīn: LǐLùnJiā [ Lǐ Lùn Jiā ]
- (英文翻譯) English Translation: "theorist"
- (西語翻譯) Traducción Español: "teórico"
- (日文翻譯) 日本語翻訳: "理論家"