- Traditional Chinese Character(HanT):
沒頭沒腦
- Simplified Chinese Character(HanS):
没头没脑
- Bopomofo(Mandarin Phonetic Symbols): ㄇㄟˊ ㄊㄡˊ ㄇㄟˊ ㄋㄠˇ (ㄇㄊㄇㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): ao6w.6ao6sl3
- 「沒頭沒腦」的注音符號/「沒頭沒腦」怎麼發音怎麼唸: ㄇㄟˊ ㄊㄡˊ ㄇㄟˊ ㄋㄠˇ
- (ASCII) Hanyu Pinyin: "meitoumeinao" "Mei2Tou2Mei2Nao3" "Mei2 Tou2 Mei2 Nao3" (MTMN)
- (Latin) Hànyǔ Pīnyīn: MéiTóuMéiNǎo [ Méi Tóu Méi Nǎo ]
- (英文翻譯) English Translation: "No idea"
- (西語翻譯) Traducción Español: "Ni idea"
- (日文翻譯) 日本語翻訳: "分からない"