keep in

US /kiːp ɪn/
UK /kiːp ɪn/
"keep in" picture
1.

to prevent someone or something from leaving a place or situation

:
The fence was built to keep the animals in.
She tried to keep her emotions in during the difficult meeting.
2.

to remain at home or indoors

:
It's raining heavily, so we should keep in today.
He had to keep in for a few days after his surgery.