for lack of

for lack of 的音标是[fɔː læk ɒv]。基本翻译是“由于缺乏”。速记技巧是：for注意读长音，lack读[ɒv]音。

“for lack of”这个短语的英文词源是“for”和“lack of”，其中“lack”意为“缺乏”，整个短语的意思是“由于缺乏某物”。

变化形式上，“lack”可以有不规则变化形式“lacks”，而“for”是一个介词，没有变化。

相关单词：由于这个短语常常与名词连用，所以可以想到与“缺乏”相关的单词，如：scarcity（缺乏，不足）、privation（剥夺，缺乏）、insufficiency（不足，缺乏）等。这些单词都与“for lack of”这个短语在语义上有一定的相关性。

具体来说，scarcity可以表示“匮乏，稀少”，可以用于描述由于缺乏某种资源而出现的情况；privation则可以表示“剥夺，缺乏”，强调由于某种原因而导致的缺乏；insufficiency则可以表示“不足，缺乏”，强调缺少某种必要的成分或功能。

总之，“for lack of”这个短语常常与缺乏某种资源或物品相关，由此可以联想到与之相关的单词，并可以进一步解释它们的语义和用法。

常用短语：

1. lack of time

2. lack of money

3. lack of motivation

4. lack of experience

5. lack of knowledge

6. lack of understanding

7. lack of confidence

双语例句：

1. I"m sorry, I"m really busy at the moment and I don"t have time for a meeting. （抱歉，我现在真的很忙，没时间参加会议。）

2. I"m sorry, I don"t have enough money to buy that item. （对不起，我没有足够的钱购买那个物品。）

3. I"m feeling a bit lacking in motivation lately, I need to find something to get me going again. （最近我感觉有点缺乏动力，我需要找到一些东西来激励自己。）

4. I lack the experience to handle this job, but I"m willing to learn on the job. （我没有处理这项工作的经验，但我很愿意在工作中学习。）

5. I lack knowledge about this topic, but I"m willing to learn more. （我对这个话题缺乏知识，但我很愿意学习更多。）

6. I lack understanding of what you"re saying, can you please explain it again? （我对你的话不理解，你能再解释一遍吗？）

7. I lack confidence in myself, but I"m trying to build it up slowly. （我对自己缺乏信心，但我正在努力慢慢地建立它。）

英文小作文：

Lack of self-confidence can be a huge obstacle in achieving our goals and dreams. We all face challenges and difficulties in life, and it"s important to have the courage and determination to face them head-on. However, if we lack self-confidence, we may feel overwhelmed and unable to take action when faced with a challenge.

To overcome this obstacle, we need to start by building our self-esteem and self-belief. We can do this by setting small goals and achieving them, which will give us a sense of accomplishment and success that will boost our confidence levels. We can also seek support and encouragement from family, friends, and mentors who can provide positive reinforcement and encouragement when we need it most.

In conclusion, lack of self-confidence is a common problem that we all face at some point in our lives. However, with the right approach and strategies, we can overcome this obstacle and achieve our goals and dreams with confidence and determination.