1.
I'm afraid the fact slipped my memory, ie I forgot it.
很抱歉, 此事我记不得了.
2.
"To save me, Cad, I can't," he answered.
“天哪，我实在记不得了。
3.
I do not remember ever have met him before .
我记不得以前见过他。
4.
I don't recall meeting him.
我记不得曾见过他。
5.
I can't place her.
我记不得在哪儿见过她。
6.
I can not place him .
我记不得在哪儿见过他。
7.
I can't recall seeing him.
我记不得见过他了。
8.
I can't remember how to do it.
我记不得怎么做这事了.
9.
The matter has quite escaped my memory.
这件事我完全记不得了。
10.
The incident has escaped her remembrance.
那件事她已记不得了。
11.
There is a big hole in my head.
我什么都记不得了。
12.
I remember the war but not the preceding years.
我记得那场战争，但却记不得战前的岁月。
13.
But which buggers they didn't ought to have trusted Winston could not now remember.
可不该信哪帮肏性，温斯顿却记不得啦。
14.
"No, I don't, to tell the truth."
“不，说实话，不记得了。
15.
I have some / no recollection of that day.
那天的事我还记得一些[不记得了].
16.
You couldn't remember it anyways.
横竖你也不会记得。
17.
Oh, what luck!Do you remember me?
喔，太巧了！不记得我了吗？
18.
I can not memorize these formulas.
我不能记得这些公式。