die Privatsache
Translation
private matter, personal affair
Examples
Das ist meine Privatsache.
That is my private matter.
Behandle diese Information als Privatsache.
Treat this information as a private matter.
Grammar Patterns
sth. is ((sb.'s)) Privatsache to be (sb.'s) private matter That is my private matter.
Similar Words
Synonyms: persönliche Angelegenheit; Antonyms: öffentliche Angelegenheit (public matter)
Etymology
A compound of 'privat' (private) and 'Sache' (matter, thing). Literally 'private thing'.
Memory Tips
Think of a 'private' + 'sake' (as in 'for goodness sake'). It's something for your own private sake, not for others.