I'm sorry. I forgot all about it.
对不起，我把这事全忘了。
我把它彻底给忘了。
It was her birthday yesterday and I forgot all about it.
昨天是她生日，我彻底忘了。
She did tell me about her address, but I forgot all about it.
她确实告诉过我她的通讯地址，但是我忘了。
It was my mother's birthday yesterday and I forgot all about it.
昨天是我妈妈的生日，可是我彻底忘了。
Dave: I had a lot of stuff this week though, so I forgot all about it.
戴夫：这星期我有一大堆事情要做，所以我把它彻底忘掉了。
I didn't attend yesterday's discussion. In fact, I forgot all about it.
我没有参加昨天的讨论，事实上我根本就把它给忘记了。
Oh! I was sending her a present this morning, but I forgot all about it.
我本打算今天上午给她送个礼物，但是全给忘了。
If it had occurred to me, I would have asked what they planned to do about me if they moved, but thinking of Rimini (perhaps the ugliest seaside town in all of Southern Europe), I forgot to.
我当时要是能想起来，我就会问：要是他们搬走，打算把我怎么办？可是，当时我只顾琢磨里米尼（也许是整个南欧最鏖糟的那个海边小城）去了，我忘了问了。
Did it not strike me that mother hardly appeared in my story at all? Hilke, a dentist, kept asking about the time before we met, but immediately forgot whatever I told her.
希尔克是个牙医，不断地问我们相遇的时间，但很快就把我告诉她的一股脑都忘了。
I got an email about that but forgot all about it.
我收到一封email是讲这个的，但我给忘了。
Oh dear! I was writing him a letter this morning and forgot all about it.
哎呀！我本打算 今天上午给他写信， 后来就全忘了。
Nora : You know what? They sent me an invitation to the opening. I'm so bad. I completely forgot all about it. When is it?
对了，他们邀请了我去参加开张典礼，我记性真差，完全忘记了这件事，什么时候开张？
Oh dear! I was writing him a letter this morning and forgot all about it.
哎呀！我本来打算今天上午给他写信来着，后来就给忘记了。
One day, when I was shopping, I lost my wallet, I was so worried, I started to thinking about my parents' words, they had told me all the time to be careful, but I just forgot about it.
有一天，我在购物的时候把手机弄丢了，我很担忧，开始想起父母的话，他们一直告诉我要小心，但是我就是听完就丢掉。
I was writing him a letter this morning and forgot all about it.
我本打算今天上午给他写信，后来就全忘了。
I was writing him a letter this morning and forgot all about it.
我本该今天早上给他写信的，后来全给忘了。
I promised to go to a club with her last Tuesday, and I really forgot all about it.
我答应本周二同她去俱乐部，可我真的把这事全忘了。
I promised to go to a club with her last Tuesday, and I really forgot all about it.
我答应本周二同她去俱乐部，可我真的把这事全忘了。
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