keep to yourself

phrasal verb
1
to avoid meeting people socially or becoming involved in their affairs
کناره‌گیری کردن, کمتر با دیگران معاشرت کردن, انزوا کردن, گوشه‌گیری کردن
2
to not tell other people about something
به خود نگه داشتن, خودداری از گفتن
I'd be grateful if you kept this information to yourself.
Kindly keep your opinions to yourself in future!