I like a girl. What does it mean that she suddenly sent me a message saying that she broke up with her boyfriend?

You like a girl who suddenly sends you a message that she broke up with her boyfriend. What do you mean?

Then she means to tell you that she broke up with her boyfriend. You can go after her now, because she also knows that you like her, so I will tell you the news. She broke up with her boyfriend, so here's your chance.

A girl you like suddenly tells you that she broke up with her boyfriend. This is just to let you know that she is single now. If you like her, you can tell her, that is, send you such a message to let you know that she is a free person.

So if you still like this girl, you can boldly express your feelings, and the success rate is great!