I shouldn't have let you talk me into this harebrained scheme.

This is a harebrained scheme that may work for pipefitters but has no place in football.

This might indeed be a harebrained scheme after all.

Why was she taking the brunt of his harebrained scheme?

I hope you didn't nearly get yourself killed on some harebrained scheme.

She felt as if this harebrained scheme might be her best shot at taking back control of her life.

"I thought you said we were going to be released once this harebrained scheme of yours was finished!"

Is there some third party involved in this harebrained scheme?

If we're going to put all our lives on the line, do whatever you have to to pull this harebrained scheme off.

It was just the kind of harebrained scheme he would think up.