1.
(informal) impressively difficult.
（非正式）令人难忘的困难。
2.
tuneful and memorable,
悦耳的、令人难忘的
3.
an unforgettable experience, moment,scene
难忘的经历、 瞬间、 场面.
4.
You're a wonderful spectacle.
你是个令人难忘的人物。
5.
lacking in impressiveness.
缺少令人难忘的特点。
6.
a life-enhancing trip
一次终身难忘的旅游
7.
Unforgettable Years--Stay at Laboratory(Continued)
难忘的岁月——“泡”实验室(续)
8.
Every dog has his day: that was mine.
凡人皆有难忘日，那天就是我难忘的日子。
9.
This trip will impress you so much that you can hardly tear yourself away
这会使您难以离去,留下难忘的印象
10.
the inexpungible memories of our first meeting
我们初次见面的难忘的情景
11.
"These were unforgettable, dream Games."
"这是一次难忘的、梦幻般的奥运会。"
12.
the haunting contours and textures of the physical world
难忘的物理世界的外形与特征
13.
Our travel by camel was an unforgettable experience.
我们骑骆驼的旅行是一次难忘的经历。
14.
What foods have you tasted that you will never forget for the rest of your life?
你尝过且终身难忘的食品是什么？
15.
Scorpio gives their partner a night to remember.
天蝎座会给对方一个难忘的夜晚。
16.
This is really an unforgettable experience.
这确实是一次令人难忘的经历。
17.
He told his story impressively.
他说了他令人难忘的故事。
18.
an impressive ceremony, building, speech, performance
令人难忘的仪式、 建筑、 讲话、 演出