最难忘的人 The most memorable person ; The most memorable

记最难忘的人 The Most Unforgettable Person

我最难忘的人 My Most Unforgettable Character ; The most unforgettable person in my memory ; The most unforgettable person

一生中最难忘的人- The most unforgettable person in my life

在我身命中最难忘的人 The most unforgettable person

难忘的初恋情人 Memroable firstlover ; Memorable first lover ; Unforgettable First Love ; The unforgettable first lover

一件令人难忘的事 An Unforgetable Thing

难忘的爱人 Unforgettable Lover

一次令人难忘的挑战 An Unforgettable Challenge ; An Unforgetta