I don't know=I have no ideal
I don't know=I have no ideal
is" I have no ideal"="I don't have any ideal?"
thank you for your help

Question

I don't know=I have no ideal
I don't know=I have no ideal
is" I have no ideal"="I don't have any  ideal?"
thank you for your help

Answer

I don't know= I am not sure or  I have no idea

Answer

There is a difference between idea and ideal! ;)

I'd use "I have no idea" as a slightly-exaggerated version of "I don't know".

Answer

'I have no idea'
idea without 'l' at the end!