Definition of have been there before in US English:

have been there before

phrase

informal
  • Know all about a situation from experience.

    • ‘There are older players who have been there before and they will want to show they can still handle top soccer.’
    • ‘Kerry have the experience and they have been there before so there's probably more pressure on them as they'll be favourites.’
    • ‘I have been there before, Bree, I know how to deal with the pain, he can't hurt me anymore, so shut up and let me take care of this!’
    • ‘It's hard to get the opportunity at a midpoint in your career if you haven't had the experience - senior managers look for people who have been there before.’
    • ‘Thankfully, they can count on the support of others who have been there before.’
    • ‘‘There are some nerves and that's really a case of their not having been there before and they're not quite sure of what to expect,’ he said.’
    • ‘We have been there before in religious and sporting crises and have triumphed by the simple retention of faith and belief.’
    • ‘But he has been there before, and is well aware of the fleeting nature of public adulation.’
    • ‘It's the first time I've been in a semi-final, very few of us have been there before, and we are all determined to make the most of the opportunity.’
    • ‘Is coping easier because he has been there before?’