Keep (oneself) to (oneself) American British verb phrase
To isolate oneself from others, to be unfriendly or sociable
Jenny was a timid girl, so she always curls in the corner of class to keep herself to herself.
After undergoing emotional shock, she keeps herself to herself.
I like keeping myself to myself amidst the tranquility of natural landscapes.
The verb "keep" should be conjugated according to its tense.
1. To punch a hole in one's ticket to show that they have paid for a ride
2. To do something that allows one to go further in a competition or to be promoted at work
1. Please, tell me if I forget to punch your ticket.
2. With a view to punching my ticket to the final, I did whatever it takes to win this round.