fasten upon的音標為[f?s?n d??n]，基本翻譯為“緊抓住，集中于”，速記技巧為：fasten=fast+en=緊抓住。

Fasten的英文詞源可以追溯到古英語中的fastian，意為“固定，綁緊”。它的變化形式包括過去式fastened，現在分詞fastening，以及形容詞fast。

相關單詞：

1. fasten: 這個詞可以直接與fasten upon的語境對應，表示“固定，綁緊”。

2. fast: 形容詞fast可以用來描述物體或人“牢固的，不松動的”。

3. fasten up: 這個短語表示“把…固定好”。

4. fasten on: 這個短語可以表示“對…產生強烈的興趣或注意力”。

5. fasten at: 這個短語比較少見，可能不太常用。

6. fastening: 這個名詞可以表示“固定物，扣環”或“即將發生的事情”。

7. fastness: 這個名詞可以表示“堅固，牢固的地方”。

8. fastidiousness: 這個名詞可以表示“過分挑剔，小氣”。

9. fastidiously: 這個副詞可以用來形容人“過分挑剔地，小氣地”。

10. fasten-fix: 這個合成詞比較少見，可能不太常用。

總之，fasten upon這個詞組在英語中表示“緊緊抓住，緊緊盯住”，其英文詞源可以追溯到古英語中的fastian，意為“固定，綁緊”。它的變化形式和相關單詞反映了英語詞匯的多樣性和變化性。

常用短語：

1. fasten one"s eyes upon 緊盯

2. fasten one"s attention upon 集中注意力

3. fasten onto 抓住

4. fasten one"s hold on 把...緊緊抓住

5. fasten one"s seat belt 扣好安全帶

6. fasten the belt 拉緊皮帶

7. fasten the buckle 把扣子扣上

例句：

1. I fastened my eyes upon the book, determined to finish it in one go.

2. She fastened her attention upon the lecture, trying to understand its essence.

3. He fastened onto the opportunity to improve himself.

4. She fastened her hold on the bag tightly, ensuring it wouldn"t fall off.

5. Please fasten your seat belt before take-off, it"s for your own safety.

6. The belt fastened tightly across my waist, making me feel secure.

7. The buckle of my belt is broken, I need to get it fixed soon.

英文小作文：

Everyday life is full of small details that we often overlook, but these details can make a big difference in our lives. For example, when I wake up in the morning, I always fasten my seat belt before getting into my car, because it ensures my safety during the journey. This small habit has saved me from many accidents and has become a part of my routine.

Similarly, when I am cooking, I always fasten my attention upon what I am doing, ensuring that everything is done properly. This helps me avoid any mistakes and saves me time and energy.

In conclusion, small details like fastening seat belts and paying attention to what we are doing can make a big difference in our lives. These habits can help us avoid accidents and mistakes, and make our lives safer and more enjoyable.