fail in

fail in的音标是[feɪl ɪn]，基本翻译是失败，失败在某方面。速记技巧是可以用拼音联想记忆，即“失败因”（fail in）就是“失败因为”某人或某事而失败。

fail in的英文词源：

直接来源：动词fail的现在分词形式。

词源含义：表示“失败，不及格”。

变化形式：fail的过去式和过去分词形式。

相关单词：

1. failure：失败，不及格；失败的人或事。源自fail的名词形式。

2. fail-safe：故障安全，自动安全系统。源自fail的形容词形式，表示可靠的。

3. fail-fast：快速失败，快速失败系统。源自fail的形容词形式，表示快速的。

4. failed：失败的，不及格的。fail的形容词形式，表示失败或不及格的状态。

5. fail-safe assumption：安全失效假设，安全失效假设是指系统在出现故障时仍能保持安全性的假设。

6. fail-safe system：安全失效系统，自动安全系统，故障安全系统。

7. fail-to-pass：未能通过考试或测试的人或事物。

8. fail-to-meet：未能达到预期目标或要求的人或事物。

9. failed attempt：失败的尝试。

10. fail-in criterion：失败标准。

英文词源解析：fail in表示“失败，不及格”，其词源可能来自中世纪英语failen，其又可能来自古英语fellan（失败）。随着时间的推移，fail in的形式逐渐演变为fail的过去式和过去分词形式，用于描述失败或不及格的情况。

举例说明相关单词在具体语境中的应用：由于考试难度较大，小明在考试中未能及格，最终fail in了这次考试。为了防止再次fail in，他决定加强复习，提高自己的学习效率。同时，公司为了确保系统安全可靠，采用了fail-safe系统，以确保在出现故障时能够自动恢复并保持安全性。这些单词在描述不同场景中的失败、安全和可靠性等方面具有很强的应用价值。

常用短语：

1. fail in doing sth. 失败做某事

2. fail to do sth. 未能做某事

3. fail in the exam 考试不及格

4. fail to pass the exam 没有通过考试

5. fail to meet the deadline 未能按时完成

6. fail to achieve one"s goal 没有达成目标

7. fail to keep one"s promise 没有兑现承诺

例句：

1. He failed in the exam twice, and he is very disappointed.

2. We failed to meet the deadline for the project, and it caused a lot of trouble.

3. After years of hard work, he finally failed to achieve his goal of becoming a professional basketball player.

4. She always fails to keep her promise to help others, and this makes people doubt her sincerity.

5. The company failed in the competition because they didn"t have enough resources to compete with their competitors.

6. I failed to complete the task on time because of unexpected difficulties.

7. We all failed to predict the unexpected outcome of the game.

英文小作文：

Failure is a part of life, and it can be a valuable experience that teaches us valuable lessons. Although failure can be painful and disappointing, it can also motivate us to work harder and try again. When we fail, we learn from our mistakes and become stronger and more resilient individuals.

However, failure is not always negative, and it can sometimes be a positive opportunity for growth and development. By learning from our failures, we can become more knowledgeable and skilled, which can lead to success in the future. Therefore, we should not be afraid of failure, but instead embrace it as an opportunity for growth and improvement.