by the book
US /baɪ ðə bʊk/
UK /baɪ ðə bʊk/
1.
conforme as regras, à risca
strictly according to the rules or established procedures
:
•
We have to do everything by the book to avoid any legal issues.
Temos que fazer tudo conforme as regras para evitar problemas legais.
•
The manager always runs the department strictly by the book.
O gerente sempre administra o departamento estritamente conforme as regras.