English Dictionary

not have the first idea

動詞

To not know anything about something.

日本語の意味

全く知らないこと、何も手がかりがない状態 / まったく知識がない、情報が皆無であること

I really do not have the first idea how to operate this camera.

私は本当にこのカメラの操作方法が全く分かりません。

意味（1）

To not know anything about something.

For all her experience, she didn't have the first idea what it was like to have the disease.