- Traditional Chinese Character(HanT):
黑口
- Simplified Chinese Character(HanS):
黑口
- Bopomofo(Mandarin Phonetic Symbols): ㄏㄟ ㄎㄡˇ (ㄏㄎ)
- Bopomofo(Zhuyin Keyboard Input/IME): "co d.3" (cod.3)
- (ASCII) Hanyu Pinyin: "heikou" "Hei1Kou3" "Hei1 Kou3" (HK)
- (Latin) Hànyǔ Pīnyīn: HēiKǒu [ Hēi Kǒu ]
- (英文翻譯) English Translation: "black mouth"
- (西語翻譯) Traducción Español: "boca Negra"
- (日文翻譯) 日本語翻訳: "黒い口"