drill down

drill down的音标是[ˈdrɪl daɪn]；基本翻译是“向下钻探，逐层深入”或“逐渐缩小范围，详细调查”。速记技巧是：可以将其分解为drill（钻孔）、down（向下）两个部分进行记忆，也可以通过联想记忆，即“向下钻孔”就是“drill down”。

英文词源：drill down源自于英语，意为“深入挖掘，层层深入”。

变化形式：在英语中，drill down的形式主要是其动词形式，可以作为不及物动词，表示深入挖掘某事物；也可以作为及物动词，表示使某事物层层深入，层层展开。

相关单词：

1. investigation：调查，研究。这个词源于拉丁语动词investigare（调查），与drill down有相似的含义，都表示深入挖掘某事物。

2. delve：挖，探究。这个词源于古英语delfan，意为“挖”，与drill down有相似的含义，都表示深入挖掘某事物。

3. probe：探查，调查。这个词源于法语prober，意为“检查，调查”，与drill down也有相似的含义，都表示深入挖掘某事物。

4. research：研究，调查。这个词源于拉丁语动词研究（re-表示“反复”，search表示“寻找”），与drill down也有相似的含义，都表示通过反复寻找和挖掘来获取信息。

5. excavate：挖掘，发掘。这个词源于拉丁语excavare，意为“挖出”，与drill down也有相似的含义，都表示通过挖掘来获取某事物的信息。

以上这些单词都与drill down有相似的含义，都表示深入挖掘某事物，通过层层深入来获取更多的信息或知识。这些单词在英语中经常被用来描述深入探究某个主题或问题的情况。

常用短语：

1. drill down 深入挖掘

2. drill into 深入学习

3. drill out 彻底解决

4. drill down on 深入研究

5. drill down further 更深入地研究

6. drill down to 深入了解

7. drill down to the core 深入挖掘核心信息

例句：

1. We need to drill down into the data to find out the root cause of the problem.

我们需要深入挖掘数据以找出问题的根本原因。

2. The teacher drilled into the students how to solve math problems effectively.

老师向学生深入讲解了如何有效地解决数学问题。

3. The police drilled out a new strategy to combat crime in the city.

警察彻底制定了一项新的策略来打击城市犯罪。

4. The company has been drilling down on its operations to improve efficiency.

公司一直在深入挖掘其运营以提高效率。

5. After drilling down further, we found that the problem was caused by a software bug.

在更深入地研究之后，我们发现这个问题是由一个软件错误引起的。

6. We need to drill down to the core of the issue to find a solution.

我们需要深入挖掘问题的核心以找到解决方案。

7. The report drilled down to show that the economy was growing at a steady pace.

报告深入分析显示，经济增长保持稳定。

英文小作文：

Drilling Down: The Importance of Deepening Understanding

Deepening understanding is essential in any field, whether it"s learning a new skill, understanding a complex topic, or making progress in a career. One effective way to achieve this goal is through drilling down, which means delving into a subject or topic in greater detail and exploring it from different angles and perspectives.

When we drill down, we can gain a deeper understanding of a subject, which can lead to more effective learning, better decision-making, and more productive work. For instance, when studying a new language, drilling down involves learning vocabulary, grammar rules, and sentence structures in greater detail, rather than just skimming through a textbook or listening to a lecture. Similarly, when trying to solve a complex problem at work, drilling down can help us identify the root cause of the issue and develop effective solutions that address it.

Drilling down also helps us stay focused and avoid getting overwhelmed by the vast amount of information available today. By narrowing our focus and delving into specific areas of interest, we can avoid getting lost in the sea of information and instead make progress towards our goals. Furthermore, drilling down cultivates critical thinking skills, which are essential for effective problem-solving and decision-making in any field.

In conclusion, drilling down is an effective way to deepen our understanding of a subject or topic and achieve our goals. By learning in greater detail, exploring from different angles and perspectives, and staying focused, we can gain a deeper understanding of a subject and make progress towards our goals.