奥巴马说，那是个让他许多年难以忘怀的记忆。

Obama said it was a memory that burned in him for years.

youdao

这是一抹让我难以忘怀的记忆，回想起都牵扯起心中的无奈与伤心。

This is a bit let me unforgettable memory and recall are involved in the heart of helpless and sad.

youdao

这次开诊活动以及更多与之相关的其他筹备活动非常成功，将是所有参加的人们难以忘怀的记忆。

The event or rather events associated with the Opening were indeed extremely successful, and were immensely appreciated by all present.

youdao