There are definitely varying degrees of shyness that men will exhibit with women. Some guys have no problems at all approaching and talking to women, and others are utterly terrified of even approaching a woman that they do not already know, or one that they do not know very well. And a lot of guys are really somewhere in the middle.
Flirting with girls can be kind of tricky sometimes, as you have to know exactly what you need to do to make her feel enough attraction for you that she wants to be more than just your friend. If you are not able to build enough attraction with a woman when you are flirting with her, then you are going to get stuck in the friend zone and not be able to dig your way out of it.
Being shy around women can STOP you from ever having an success at all in the dating game. If you are too shy around women, then you will never be able to approach the kind of women that you really want to be with. So, how do you get over being shy around women?