The idiom "when hell freezes over" means that something is never going to happen. It is a way of saying that something is impossible or highly unlikely to occur.
For example, if someone says "I'll start studying for my exams when hell freezes over," it means that they have no intention of studying and they believe that it will never happen.
This idiom is often used to express a strong sense of disbelief or skepticism. It can also be used to show that someone is being stubborn or resistant to change.
In summary, "when hell freezes over" is an idiom that means something is never going to happen. It is used to express disbelief, skepticism, or stubbornness.
• He said he'll apologize to me when hell freezes over.
• I will eat vegetables for every meal when hell freezes over.
• The company will increase salaries when hell freezes over.
• I'll trust him again when hell freezes over.
• I'll give up my car when hell freezes over.
• I'll stop pursuing my dreams when hell freezes over.