His ill-advised decision to quit his job without another one lined up left him in financial trouble.
Her ill-advised choice to trust a stranger with her personal information led to identity theft.
The company's ill-advised action of releasing the product before it was fully tested resulted in a product recall.
His ill-advised move to confront the bully without backup landed him in the hospital.
Their ill-advised plan to skip classes and go to the beach instead ended up with failing grades.