Other Ways to Say I DON’T KNOW, ways to say I don’t know, different ways to say I don’t know in english;
I have no idea.
I don’t have a clue.
I can’t remember off the top of my head.
I don’t have any information about that.
That’s exactly what I’m seeking to answer.
Let me check on that.
I’m not 100% sure on that.
I’II double check and let you know.
It’s beyond me.
It’s a mystery to me.
That’s a good question, but I don’t know.
I’m not the best person to answer that.
That’s a good question, I’II check this.
I’m afraid. I’ve no idea.
I don’t know anything about …
I’m going to investigate that further.
That requires a bit more research first.