- Traditional Chinese Character(HanT):
意難忘
- Simplified Chinese Character(HanS):
意难忘
- Bopomofo(Mandarin Phonetic Symbols): ㄧˋ ㄋㄢˊ ㄨㄤˋ (ㄧㄋㄨ)
- Bopomofo(Zhuyin Keyboard Input/IME): u4s06j;4
- 「意难忘」的漢語拼音: Yi4 Nan2 Wang4
- (ASCII) Hanyu Pinyin: "yinanwang" "Yi4Nan2Wang4" "Yi4 Nan2 Wang4" (YNW)
- (Latin) Hànyǔ Pīnyīn: YìWàng [ Yì Wàng ]
- (英文翻譯) English Translation: "Unforgettable Memories"
- (西語翻譯) Traducción Español: "Memorias inolvidables"
- (日文翻譯) 日本語翻訳: "忘れられない記憶"