Usage patterns
プライベートな〈事〉a private matter/personal issue
That's a private matter, so I don't want to talk about it.
プライベートで〈動詞〉to do something in one's private life/off duty
The two of them get along well not just at work, but in their personal lives too.
仕事とプライベートを分けるto keep work and private life separate
She keeps a clear separation between work and her private life.
プライベートを楽しむto enjoy one's personal/private life
On my days off, I make sure to enjoy my personal life.