I hadn't the faintest idea why anyone would want to take a shot at me.
I told her, not having the faintest idea what we were talking about.
They have not the faintest idea what is really going on.
I put them on, not having the faintest idea what they were for.
You have a faint idea what this is all about.
She hadn't the faintest idea what to say to him.
I hadn't the faintest idea what to say to them.
I haven't the faintest idea, look three four five six seven eight.
She had no faint idea, however, of how such work could possibly be done.
He seemed to be looking for something, though she didn't have the faintest idea what.