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

1.
supervisar, revisar
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.
Necesito supervisar a los niños para asegurarme de que estén haciendo su tarea.
•
The manager decided to check up on the new employee's progress.
El gerente decidió supervisar el progreso del nuevo empleado.