First Love的英文歌詞如下：
First love - BY2
Verse 1:
First love is always the best one
Memories from when we were young
Sweet dreams that never fade away
Our first love forever
Chorus:
First love is forever in my heart
Memories of you and me together
Through the good and the bad times
First love will always be with me
Verse 2:
When we were young and in love
We were so innocent and free
Now I realize what a treasure
Our first love was and still is
Chorus:
First love is forever in my heart
Memories of you and me together
Through the good and the bad times
First love will always be with me
Bridge:
Life may bring changes and go ups and downs
But first love never fades away
A dream of what could have been
But still in my heart, it stays
Chorus:
First love is forever in my heart
Memories of you and me together
Through the good and the bad times
First love will always be with me
Through the years and if I lose my way
I’ll look into my heart and there you’ll stay
(Chorus ends)
以上是這首歌的大致歌詞，希望能夠幫到您。