Hence I realized the meaning of "forget" to "forget" is to "not think" forget what should be forgotten and not remember what should not.

于是，我领悟了“忘”的真谛，“忘”就是不思考，应该忘的要忘，不该记的别记。

youdao

I've mostly forgotten characters I learned in middle and high school and I tend to forget the characters I only occasionally use.

有些初高中学的和不常用的字我几乎都忘了怎么写了。

youdao

I've never forgotten the birthday of someone really close to me because all my family and friends are so close to me, so it's hard to forget.

我从来没有忘记过对我最亲的人的生日。

youdao