Oh, it's nearly slipped my mind.
哦，我差点忘了!
Now where was I?
我说到哪儿了?
Sorry, my mind's gone blank.
对不起，我的记忆一片空白。
I have no recollection of meeting him.
我不记得见过他。
I can't really recall.
我真的想不起来了。
I've completely forgotten.
我彻底忘记了。
I do have a memory like a sieve.
我记性特别不好。
What was I thinking of?
我当时是怎么想的?
