by the book

by the book的音标是[baɪ ðə bʊk]，基本翻译是“按照规定，一丝不苟地”。速记技巧是：可以结合上下文语境进行记忆，有助于更好地理解和记忆单词的含义和用法。

By the book的英文词源是：

- 词源一：古英语by-leech，意为旁边，副词后缀-by-表示在旁边，leech意为小吸血鬼，后来引申为按照规则、规定、程序等。

- 词源二：拉丁语libellus，意为小册子，后引申为按照规则、规定、程序等。

变化形式：原形、复数、第三人称单数、过去式、过去分词、现在分词、形容词。

相关单词：

- bookkeeper n. 簿记员；

- rule book 规则手册；

- bound by book 受书本约束的；

- by the bookman 按规矩办事的人；

- bookish adj. 书本的；

- bookworm n. 书呆子；

- booklet n. 小册子；

- manuscript n. 手稿；

- bounden adj. 义不容辞的；

- scripture n. 经文；圣经。

By the book强调的是按照规定、规则、程序等行事，是一种规范性的行为准则。然而，由于人的主观因素，有时候也会有人不按规矩办事，因此在使用时需要根据具体语境进行判断。

常用短语：

1. by the book

2. stick to the rules

3. follow the rules

4. toe the line

5. toe the mark

6. toe the line perfectly

7. toe the mark exactly

双语例句：

1. He always plays by the book, never breaking any rules.

2. She follows the rules to a T, never bending them for anyone.

3. By the book, he never deviated from his plan.

4. He toes the line perfectly, never crossing the line of ethics.

5. She toes the mark exactly, always achieving her goals.

6. He"s a stickler for following the rules, even in the face of pressure.

7. They toe the line of morality, always doing what is right and just.

英文小作文：

By the book，the most common way of doing things，is a very useful concept in life. It means that we should follow the rules and guidelines set by society or our own personal values to ensure that we are doing things in a safe and effective manner.

However，by the book can also mean that we are too rigid in our approach to things，and we may miss out on opportunities to be creative and innovative. Therefore，it is important to strike a balance between being by the book and being flexible enough to adapt to different situations.

In conclusion，by the book can be a useful tool for ensuring safety and efficiency，but it should not become a rigid rule that limits our creativity and innovation. We should always strive to find a balance between being by the book and being flexible enough to adapt to different situations.