You can use "break a bad habit" in a sentence to describe the act of stopping an undesirable behavior. It is not always easy to do, as noted in the reference: "It's never easy to break a bad habit." (05-Sept-2024)
Here are some example sentences:
- It's never easy to break a bad habit, especially one you've had for years.
- She tried hard to break the bad habit of biting her nails.
- He is determined to break his bad habit of procrastinating.
- The first step to breaking a bad habit is acknowledging that you have one.