I cannot forget something that did not happen.

我做不到忘记没有发生的事情。

youdao

I agree that it is easier to build character under ideal conditions but cannot forget that character is also required to give as well as receive.

我赞同在理想条件下塑造品格较为容易，不过，我们也不能忘记品格可以获取自外部，同样也应当靠自身给予。

youdao

I cannot say forget me, but I would mention that there are impossibilities in the world.

不能说让你忘了我，可世间总有无能为力之事。

youdao

China is still a big knot of emotion in my heart that I cannot forget.

CNN: EXPORTING DISSENT

That is a date I cannot forget.

ECONOMIST: Machine politics