keep to yourself
US /kiːp tə jərˈself/
UK /kiːp tə jərˈself/

1.
獨處, 保守秘密
to remain private and not share personal information or feelings with others
:
•
She tends to keep to herself and doesn't socialize much.
她傾向於獨處,不怎麼社交。
•
It's better to keep to yourself if you don't want to get involved in office gossip.
如果你不想捲入辦公室八卦,最好獨善其身。