曾经，有一份真诚的爱情，这段的英语版？

Once, there was a sincer cordial emotion in front of me, but I didn't cherish it. Until it lost, I just regreted at that time. It is only the most suffering thing in the world. If the grandfather of heaven give me the last opportunity. I will say three words to that girl:"I love you!" If it has to be added an alloted time. I hope that is 10,000 years.

かつて 纯洁な爱が俺の前に置いていたが 大切にしていなかった。あの爱を 失った时 どんなに后悔したか 分かってきた！世の中に一番つらいことは これしかないと思う。もし 神様から もう一度やらせる机会がくれれば 俺は あの女の子に そう言うのが决まっている――爱してる！もし この爱に期限を付けなければ ならなかったら 仆の希望は：一万年だ

Ever, the love which have a sincerity put in my in front and I cherished,
Wait until the time that I lose just too late to regret,
Human life most the business of pain and sufferings nothing is better than and hereat ……
If the God can give me an opportunity to encore,
I will say three word to that girl's son:
"My love you."
If don't want to fall in love with to plus a term at this,
M