I almost forget 我差点忘了某事
Oh, I almost forgot. Your file is here. 哦,我差点给忘了,你的文件在这。
I almost forgot about her present. 我差点忘了她的礼物了。
We totally forgot about lunch! 我们把午餐忘得一干二净!
I almost forgot to lock the apartment door. 我差点忘记锁门了。
You've got to be careful about robbers. 你得小心小偷啊。