* Simple: I tried to disabuse her of the notion that ghosts were real.
* Formal: The professor's lecture aimed to disabuse the students of their misconceptions about evolution.
* Figurative: The harsh reality of the job market disabused him of his youthful dreams of instant success.
* With a specific object: I needed to disabuse her of the idea that I was a millionaire.
* In a question: Can anyone disabuse me of the belief that this is a good idea?
Key takeaway: "Disabuse" means to convince someone that something they believe is wrong or untrue.