Send a message of concern to a girl, but she won't reply.

Generally speaking, if you are polite, you will always reply, but it depends on the woman's personality.

Some women really don't like to reply to such news. . .

But to be honest, if there is no "grace" in general, except that she didn't receive it, it should be that she doesn't want to talk to you very much.

It depends on the specific situation. ...