Imagine you did something bad, like you broke your neighbor's window by accident while playing ball. Now, your neighbor might be upset and might want you to get in trouble for it. So, you might have to go to court to talk about what happened.
When you go to court, the judge might say that you did something wrong, but instead of punishing you right away, he or she might give you something called a suspended sentence. This means that you don't have to go to jail or do anything right now because the punishment is "suspended" or put on hold for a little while.
But here's the catch - the suspended sentence comes with some rules that you have to follow. For example, the judge might say that you can't play ball outside anymore or that you have to pay back the money to fix the window. If you follow these rules, you won't have to go to jail or face any other punishment. But if you break the rules, the punishment might come back and you might have to go to jail or do something else as punishment.
So, a suspended sentence is like getting a second chance to do the right thing but with some rules that you have to follow.