我忘记了他们的确切住址。

I've forgotten where they live exactly.

《牛津词典》

我忘记下一行怎么说了。

I forget how the next line goes.

《牛津词典》

我忘记向他要地址。

I forgot to ask him for his address.

《牛津词典》

Let me rewind slightly in the story so that I don't actually mislead because I forgot to update these two cells.

我们先倒回去一点,我没有误导，因为我忘记了,更新这两个单元。

哈佛公开课 - 计算机科学课程节选

And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.

顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。

哈佛公开课 - 计算机科学课程节选

I'd die as soon as I forgot anything at all of what I was doing 20 minutes ago.

只要我忘记20分钟前的事情，也就等于死亡。

耶鲁公开课 - 死亡课程节选