unforgettable
单词辨析：
指经历等很愉快或不同寻常而值得记住的，含主动去记住之意。
It was a memorable experience for him.
这是让他难忘的一次经历。
Her husband wants to make their honeymoon a memorable trip for her.
她丈夫想让蜜月之旅成为她永远难忘的旅行。
指事物或人因某种优点、特性等令人赞叹的。
Her dancing made an impressive performance.
她的舞蹈是一次令人难忘的表演。
This is one of his most impressive works of recent years.
这是他近年来给人印象最深的作品之一。
Contestant No. 12 was very impressive in the debate.
12号选手在辩论中表现十分出色。
尤指经历、景象等特别美好而无法忘记的，含想忘也忘不了之意。
A visit to Rome will be unforgettable.
到罗马一游将会令人永远难忘。
My first love was unforgettable.
我的初恋难以忘怀。
相关例句：
Today is an unforgettable day to me.
今天对我来说是一个难忘的日子。
In my life, the one who makes me unforgettable is a teacher.
在我的生命中，令我难忘的是一位老师。
We did have a wonderful and unforgettable team building experiences.
福克思带给了我们一个精彩和难忘的团队建设活动。
Today, we had an unforgettable experience, the topic of English Corner is Water and Me.
今天，我们有了一次难忘的经历，这次英语角的主题是“我和水”。
I guarantee it will be an unforgettable experience.
我保证那会是个令人难忘的经验。
Every person stood to applaud his unforgettable act of courage.
所有人起立为他不可磨灭的英勇之举鼓掌。