no idea
01
わからない, 全く分からない
used to express complete lack of knowledge or understanding about a particular topic, question, or situation
例
No idea, I have n't thought about it yet.
わからない、まだ考えていない。
No idea, I was out all afternoon.
わからない、午後はずっと外出していた。
to have no idea
01
to not know something or be unsure about it
Collocation例
I have no idea where my keys are.
They had no idea that the store closed early yesterday.
