read up on
US /riːd ʌp ɑːn/
UK /riːd ʌp ɑːn/

1.
membaca tentang, mengkaji
to read a lot about a subject, especially because you are going to do something connected with it
:
•
I need to read up on the history of the company before the interview.
Saya perlu membaca banyak tentang sejarah syarikat sebelum temu duga.
•
She spent the weekend reading up on ancient Roman architecture.
Dia menghabiskan hujung minggu membaca tentang seni bina Rom purba.