I know, you will never forget me.

我知道，你是不会忘记我的。

youdao

Promise me you will never forget me because if I thought you would I'd never leave.

答应我永远不要忘记我，因为我一想到你会忘了我，我就不想离开你了。

youdao

Have a thorough understanding of my original behavior, otherwise you will never forget me in this life, I will be ashamed of myself!

彻底谅解我当初的行为吧！不然你真的这辈子都忘不了我我会惭愧！

youdao

This is the worst thing that has ever happened to me and I will never forget this so long as I live.

BBC: The survivors' stories

You have been astonishingly kind and generous to me today, and I will never forget it.

CNN: Transcript: Clinton's remarks at Orlando fund-raiser

But I will never forget the kindness and warmth and love that you all showed me and my family, especially our girls.

WHITEHOUSE: The White House