Go now and make today unforgettable!(現在行動吧，讓今天永恒！)

So lucky! All of these became the unforgettable part of our life!(太幸運了！這一切都成為了我們生命中難忘的一部分！)

See: "Japan Tsunami: 20 Unforgettable Pictures."(參見：日本海嘯-20張難忘的圖片。)

But if the film is forgettable, how unforgettable can the performance be?(但是如果這部影片很容易被忘卻，其中的演技又怎能讓人難忘呢？)

There is no doubt that China will present to the world a successful and unforgettable exposition.(毫無疑問，中國將呈現給世界一個成功和難忘的世博會。)

Mr. Liu: We're all proud of that. How unforgettable!(劉先生：我們都以此為傲，多么難忘啊！)

THE slogan that BP adopted in 2000, “Beyond Petroleum”, was brilliantly unforgettable.(英國石油公司（BP）在2000年打出的宣傳口號“越過石油”令人過目難忘。)

He spent so many unforgettable days with them that he was loath to part with them.(他與他們一起度過那么多難忘的日子，他舍不得離開他們。)

The three days that we have spent together in Diaoyutai is rich and unforgettable.(我們在釣魚臺共同度過的這三天是充實的，是難以忘懷的。)

If you are up to the challenge, a Canadian winter can be an unforgettable experience.(如果你樂于接受挑戰，那加拿大的冬天可以讓你終身難忘。)