不用隨便用yet直接替換but吧.有語法問題或者意義上的問題.我盡量按照你原來的思路修改,沒有加太多修飾,請參考：
但我仍忘不了當(dāng)我知道你正在做你喜歡的事的時候的快樂
But I still can't forget the happiness I feel when I know that you are doing what you really like.
有時我覺得你很遠可又好像離我很近
Sometimes I feel that you are far away while sometimes you appear to be so close to me
有句話說"兩點之間的距離僅僅是距離,別無其他"說的就好像我們
They say,"There's nothing but distance between the two points” just like we do.
但沒關(guān)系 因為你給我的不只是勇氣還有希望
But that's all right,because you have brought me not only the courage but also the hope.
我希望你在未來能很快樂而且要記得照顧自己
I hope and pray that you'll enjoy the happy life and remember to take good care of yourself.