read somebody like a book
US /riːd ˈsʌm.bə.di laɪk ə bʊk/
UK /riːd ˈsʌm.bə.di laɪk ə bʊk/

1.
membaca seseorang seperti buku, memahami seseorang sepenuhnya
to understand someone's thoughts, feelings, and motives very well, as if you are reading a book
:
•
She knows me so well; she can read me like a book.
Dia mengenalku dengan sangat baik; dia bisa membacaku seperti buku.
•
After years of working together, I can read him like a book.
Setelah bertahun-tahun bekerja bersama, aku bisa membacanya seperti buku.