- Traditional Chinese Character(HanT):
不定期
- Simplified Chinese Character(HanS):
不定期
- Bopomofo(Mandarin Phonetic Symbols): ㄅㄨˊ ㄉㄧㄥˋ ㄑㄧˊ (ㄅㄉㄑ)
- Bopomofo(Zhuyin Keyboard Input/IME): 1j62u/4fu6
- 「不定期」的漢語拼音: Bu2 Ding4 Qi2
- (ASCII) Hanyu Pinyin: "budingqi" "Bu2Ding4Qi2" "Bu2 Ding4 Qi2" (BDQ)
- (Latin) Hànyǔ Pīnyīn: BúDìngQí [ Bú Dìng Qí ]
- (英文翻譯) English Translation: "Irregular"
- (西語翻譯) Traducción Español: "Irregular"
- (日文翻譯) 日本語翻訳: "不定期"