check up on
US /tʃek ʌp ɑn/
UK /tʃek ʌp ɑn/

1.
확인하다, 점검하다
to investigate or monitor someone or something to ensure they are doing what they should be doing or that everything is in order
:
•
I need to check up on the kids to make sure they're doing their homework.
아이들이 숙제를 하고 있는지 확인해야 해.
•
The manager decided to check up on the new employee's progress.
관리자는 신입 사원의 진행 상황을 확인하기로 결정했다.