by guess的音標是[ba? ɡu?s]，基本翻譯是“憑猜測；經推測”，速記技巧是：by后接動詞時要用動名詞形式。

By guess這個詞源可以追溯到古英語中的bygeas，意為“猜測，推測”。它的變化形式包括by-（在英語中表示“在旁邊”或“副的”），以及它的派生詞bygone（表示“過去的，遺失的”）。

以下是與by guess相關的十個單詞及其變化形式和相關解釋：

1. Guess (noun): 猜測，推測。

2. Guessed (adjective): 猜測的，推測的。

3. Guessing (noun): 猜測的行為。

4. Guesswork (noun): 猜測的工作，推測。

5. Bygone (noun): 過去的，遺失的。

6. Bygone days: 過去的日子，過去時代。

7. By-product (noun): 副產品，意外結果。

8. Bylaws (noun): 規章，規則。

9. Bylaws and regulations: 規章制度，法規。

10. By-and-by: 不久以后，遲早。

這些單詞都與猜測、推測和過去的記憶有關，反映了人類對未知事物的探索和思考。同時，它們也體現了語言的變化和發展，反映了人類社會的進步和演變。

常用短語：

1. by guess 猜測

2. by chance 偶然

3. by intuition 直覺

4. by inference 推斷

5. by trial and error 嘗試錯誤

6. by intuition and reasoning 直覺和推理

7. by guesswork 猜測

例句：

1. I made a guess at the answer to the question, but it turned out to be wrong.

2. I happened to meet him by chance on my way home.

3. After several failed attempts, I finally figured out the solution by inference.

4. I tried out different methods to solve the problem, but it was only by trial and error that I found the right answer.

5. By intuition and reasoning, I knew that the answer must be somewhere in this book.

6. We can"t rely on guesswork to solve problems, we need to rely on facts and evidence.

7. The police are still trying to determine the cause of the accident by investigation and analysis.

英文小作文：

Title: The Power of Guesswork and Investigation

Guesswork and investigation are two different ways of solving problems, but they both have their own advantages and disadvantages. Guesswork relies on intuition and guesses to solve problems, while investigation involves collecting evidence and analyzing data to reach conclusions.

In my opinion, guesswork can sometimes lead to unexpected discoveries and insights, but it is also prone to errors and misunderstandings. On the other hand, investigation is more reliable and accurate because it relies on facts and evidence. However, it can be time-consuming and costly if there is no clear evidence to support the conclusion.

In conclusion, both guesswork and investigation have their place in solving problems, but we should always keep in mind that accuracy and reliability are crucial when making decisions. We should use both methods in combination to achieve the best results in different situations.