One's Personal Life, Private Life, One's Private Life
Noun
しせいかつ
コウイチの私生活は、ひみつのベールにつつまれています。
Koichi's personal life is cloaked in secrecy.
生まれつき人よりめんえき力が弱いので、私生活ではいつもマスクをしています。
My immune system has been weaker than most people's since I was born, so I usually wear a mask when I'm on my own.
コウイチ、仕事で相当ストレスがたまっているみたいで、私生活が荒れてきてるんだよね。ちょっと相談相手になってあげてくれないかな。誰か聞いてくれる人が必要だと思うんだよね。
Koichi has a lot of stress from work and his personal life is getting messed up. Could you advise him? I believe he needs someone to listen to him.
You've seen 生活 before, right? So what about the "life" of I? Whose life is that? Why, that's my own personal life.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.