fastened的音標為[?fɑ?st?n柘?d]，基本翻譯為“系牢；縛牢”，速記技巧為：“fast”表示“牢固的”，而“en”表示“使…”，所以fastened表示使牢固。

Fastened 的英文詞源為 fasten，來自中古英語 fastnen，其本身來源于 fast，意為固定、綁緊。

變化形式為 f.（過去式），a.（形容詞）

相關單詞：

1. fasten：固定，綁緊

2. fast：快速的

3. fastidious：挑剔的，小心的

4. fasten up：關好，鎖好

5. fasten on：集中注意力

6. fasten one"s eyes on：注視

7. fasten one"s mind on：專注于

8. fasten down：固定，使穩定

9. fasten up on：對…過分關注

10. fasten sth. onto sb./sth.：把某物固定在某人/某物上

這些單詞都與fasten這個動詞有關，表示固定、綁緊等動作。Fastened作為形容詞，可以表示已固定、已綁緊的狀態。在英語中，fasten這個動詞的使用非常廣泛，可以用于各種語境中。

常用短語：

1. fasten one"s eyes on 盯著看

2. fasten one"s seat belt 系好安全帶

3. fasten the buckle 扣緊扣環

4. fasten up 系緊

5. fasten the hook 扣緊鉤子

6. fasten the safety belt 系好安全帶

7. fasten the safety strap 系好安全帶帶子

雙語例句：

1. I was fastening my seat belt before takeoff. (在飛機起飛前，我正在系安全帶。)

2. The teacher fastened the hook tightly to prevent it from falling off. (老師把鉤子緊緊地系住，以防它掉下來。)

3. The child fastened its eyes on the toy it was playing with. (孩子盯著它正在玩的玩具，目不轉睛。)

4. She always fastens her keys in her pocket before going out. (她出門前總是把鑰匙系在口袋里。)

5. The rope was fastened to the post and to the tree. (繩子系在柱子上，也系在樹上。)

6. The door was fastened with a padlock. (門用掛鎖鎖住。)

7. I always fasten my seat belt when driving to avoid accidents. (我開車時總是系安全帶，以避免事故發生。)

英文小作文：

Fasten Yourself to Safety

Safety is everyone"s responsibility, and it is essential to ensure our safety when we are out and about in public places or when we are driving a car. Seat belts, helmets, and other safety equipment are designed to protect us in case of accidents, and we should always remember to use them properly.

When we are flying on an airplane, we should fasten our seat belts as soon as the plane takes off, because it is essential to keep ourselves secure during flight. Similarly, when we are driving a car, we should always wear a seat belt and make sure it is securely fastened, especially when we are driving on roads with unexpected hazards.

In conclusion, safety should be our top priority, and we should always be mindful of it when we are out and about. By following safety measures and wearing safety equipment properly, we can reduce the risk of accidents and protect ourselves and others around us.