我完全忘记了这件事。

I clean forgot about it.

youdao

对了，他们邀请了我去参加开张典礼，我记性真差，完全忘记了这件事，什么时候开张？

Nora : You know what? They sent me an invitation to the opening. I'm so bad. I completely forgot all about it. When is it?

youdao

我忘记了告诉过你这件事情。

I forget telling you this thing.

youdao

我忘记了告诉过你这件事情。

I forget telling you this thing.

youdao