fall short of的音標是[fe?l ???t ?v]，基本翻譯是“少于；未達到；不如”，速記技巧是“fall（落下）+short（短的）+of（缺少）”。

fall short of的英文詞源是拉丁語“fallere”和“shortus”，意思是“欺騙”或“不足”。其變化形式主要有：

1. short of：表示“缺乏”或“不足”。例如，“The house is short of space.”（這房子空間不足。）

2. fall short：表示“不及”或“不滿足”。例如，“The company fell short of its sales target.”（公司未能達到銷售目標。）

3. shortcomings：表示“缺點”或“不足之處”。例如，“The company has some serious shortcomings.”（公司有一些嚴重的缺點。）

相關單詞有：short，shortly，short-sighted，shortage，shorten，short-lived，short-term，shorter，shortest。這些單詞都與“短”或“不足”有關。例如，“Short people have shorter legs.”（矮個子的人腿比較短。）或者“Shorten your skirt!”（把你的裙子縮短！）

總之，fall short of的含義是指某物或某人在某方面達不到預期的標準或要求，需要進一步改進或補充。

短語：

1. fall short of expectations

2. fall short of the mark

3. fall short of the goal

4. fall short in quality

5. fall short of the target

6. fall short of the budget

7. fall short of the requirements

例句：

1. The product fell short of expectations because it didn"t meet all of our requirements.

2. We fell short of the mark when it came to achieving our sales target this year.

3. The company"s quality control fell short, resulting in a number of defective products being produced.

4. We fell short in our efforts to raise funds for the charity event.

5. The budget fell short of the expected income, leaving us with a significant deficit.

6. The project fell short of its original objectives due to various reasons.

7. The new policy fell short of what we hoped for, as it didn"t address all of our concerns.

英文小作文：

When it comes to success, we all strive for it, but sometimes we fall short of our goals. Success is not always achieved overnight, and it requires hard work, dedication, and perseverance. However, falling short of our goals does not mean we have failed. It is a learning experience that can help us improve and become stronger.

When we fall short of our goals, we need to take a step back and evaluate our progress. We need to identify what we have learned from the experience and what we can do better next time. We need to be open to feedback and criticism, as it can help us improve our weaknesses and become a better version of ourselves.

In conclusion, falling short of our goals is not a failure, but a stepping stone towards success. It is a chance for us to learn, improve, and become stronger. So, don"t give up easily and keep pushing towards your goals with passion and determination!