by the book片语

按规定、照章办事、依规矩

The new supervisor insists on doing everything strictly by the book.

新来的主管坚持一切都要按规定办理。

照章办事的、一板一眼的

He is a by-the-book officer who never bends the rules.

他是个照章办事的警官，从不通融。