by the book片語

按規定、照章辦事、依規矩

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

新來的主管堅持一切都要按規定辦理。

照章辦事的、一板一眼的

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

他是個照章辦事的警官，從不通融。