unforgettable
🇺🇸
/ˌʌnfərˈɡetəbl/
🇬🇧
/ˌʌnfəˈɡetəbl/
so special or amazing that you will always remember it
The beautiful sunset made our vacation truly unforgettable.
美麗的日落讓我們的假期真正令人難忘。