failing的音標是[?fe?l??]，基本翻譯是“失敗的；衰退的”，速記技巧是：fail v.失敗，不及格，failing n.不及格，失敗。

failing的英文詞源：

failing的英文詞源為“fail”，意為“失敗，不及格”。其詞源可以追溯到古英語中的“fail”，意為“失敗，不及格”。隨著時間的推移，fail逐漸演變為現在形式的failing，并逐漸引申為“衰退，衰弱”的含義。

變化形式：

1. 比較級：failing或fainter

2. 最高級：failingest或faintestest

相關單詞：

1. failure：失敗，失敗者

2. fail-safe：故障安全

3. fail-safe device：故障安全裝置

4. failing health：健康衰退

5. failing grade：不及格

6. failing eyesight：視力衰退

7. failing memory：記憶力衰退

8. financial failure：財政失敗

9. business failure：商業失敗

10. personal failure：個人失敗

舉例來說，failing eyesight意味著視力衰退，這可能會影響一個人閱讀和理解文字的能力。在商業環境中，financial failure可能會導致公司破產。在個人層面上，personal failure可能會讓人感到沮喪和失落。因此，了解failing的詞源、變化形式和相關單詞有助于更好地理解和使用這個詞匯。

常用短語：

1. fail to do sth：未能做某事

2. fail in/out of sth：在某事上失敗

3. fail to achieve sth：未能實現某事

4. fail to meet expectations：未能滿足期望

5. fail to keep up：未能跟上

6. fail to understand：未能理解

7. fail to succeed：未能成功

雙語例句：

1. I failed to complete the assignment on time.（我未能按時完成作業。）

2. He failed to meet his expectations for the exam.（他未能達到自己對考試的成績期望。）

3. I failed to keep up with the latest trends in technology.（我未能跟上科技發展的最新趨勢。）

4. I failed to understand the complex math problem.（我未能理解這個復雜的數學問題。）

5. We failed to achieve our goal of winning the championship.（我們未能實現贏得冠軍的目標。）

6. He failed to succeed in his attempt to climb the mountain.（他未能成功攀登那座山。）

7. Failing is a part of learning, we should learn from our failures and move forward.（失敗是學習的一部分，我們應該從失敗中學習并繼續前進。）

英文小作文：

Failure is a part of life，and it is important to learn from our failures. When we fail，we may feel disappointed and discouraged，but we should not give up easily. Instead，we should use our failures as opportunities to learn and improve ourselves.

Failure can teach us valuable lessons about perseverance and resilience，and it can help us develop a stronger sense of self-confidence and determination. By facing our failures with courage and positivity，we can turn them into opportunities for growth and success.

However，it is also important to remember that failure is not the end of the world. We should not let it define us or determine our future prospects. Instead，we should use our failures as motivation to pursue our goals with even greater determination and focus.

In conclusion，failure is a part of life that we cannot avoid，but it does not have to define us or determine our destiny. By learning from our failures and using them as motivation to improve ourselves，we can turn our weaknesses into strengths and achieve our goals in life.