fell short 音標為：[fel(?) s?t]，基本翻譯為“不足，未達到標準；未滿足；未及”，速記技巧為：“fell”聯想“飛了”，“short”聯想“短跑”，一起可以理解為“飛短”，所以是不足的意思。

fell short of 的英文詞源是short，表示“短的”或“不足的”。

變化形式：過去式為 fell short，過去分詞為 fallen short。

相關單詞：

shorten：意為“縮短”，其詞源和 fell short 相同，都表示“短的”。

insufficient：意為“不足的”，其詞源和 fell short 相同，表示“不足的”或“不夠的”。

shortcomings：意為“缺點”，其詞源和 fell short 相同，表示“不足之處”。

short-lived：意為“短命的”，其詞源和 fell short 相同，表示“短暫的”。

fall short of expectations：意為“未達到期望”，其詞源和 fell short 相同，表示“不足的”或“未完成的”。

fall behind：意為“落后”，其詞源和 fell short 無關，表示“落下”或“落后于他人”。

以上單詞都與 fell short 相關，并且都與時間、長度、數量等概念有關。這些單詞在英語中廣泛使用，并且具有不同的含義和用法。同時，這些單詞也反映了英語詞匯的多樣性和變化性。

短語：

1. fell short of expectations

2. fell short of the mark

3. fell short of the goal

4. fell short in performance

5. fell short of the target

6. fell short of the ideal

7. fell short of the requirements

例句：

1. The company fell short of expectations in its financial report.

2. She fell short of the mark in her attempt to win the election.

3. His performance fell short of the goal he set for himself.

4. The project fell short in performance due to technical difficulties.

5. The company fell short of its target for revenue growth.

6. His efforts fell short of the ideal he had hoped to achieve.

7. The requirements were not met, despite our best efforts.

英文小作文：

When it comes to success, we all have our own expectations and goals. But sometimes, we fall short of what we hope to achieve. This can be due to a variety of reasons, such as lack of resources, poor planning, or unexpected setbacks. However, it is important to remember that failure is not the end of the world. It is a stepping stone to success and growth. We learn from our mistakes and improve ourselves to become better versions of ourselves. Therefore, instead of dwelling on our shortcomings, we should focus on overcoming them and moving forward with renewed vigor and enthusiasm.