我把它们全忘了，因为我好久没听到它们了。

I have forgotten them all, for I do not hear them any more.

youdao

我忘了把我的笔放在哪儿了。

I forgot where I had stuck my pen on.

youdao

她说，“从医院回到家后，我该如何对我的其他孩子说呢？我能说，‘对不起，孩子们，我把你们的弟弟(或妹妹)忘了带回家’吗？”

"What would I say to my other children, after coming home from the hospital: 'I'm sorry, I forgot to bring your family member home'?" she said.

youdao

yeah I run this, yeah, I have a syntax error, yes indeed, because I forgot to comment that one out, all right, and cue, we'll try it again.

运行下，一个语法错误，确实是，因为我忘了把这里注释上了，好，让我们再来试试。

麻省理工公开课 - 计算机科学及编程导论课程节选

Oh, I've got to put this thing down. That's it.

哦,我忘了把屏幕放下来,好了

耶鲁公开课 - 欧洲文明课程节选

I gave away my punchline.

我把关键点忘了了。

麻省理工公开课 - 计算机科学及编程导论课程节选