grind down的音標為[ɡr?nd dɑ?n]，基本翻譯為“磨細；碾碎”，速記技巧為：grind down=grind+down（向下磨）。

grind down這個詞組的英文詞源是“grind”和“down”。其中，“grind”意為“磨碎”，而“down”意為“向下”。因此，“grind down”可以理解為“磨碎到底”或“消耗到底”。

變化形式：在詞性上，“grind down”可以變為名詞“grinding down”，意思是“消耗殆盡”。

相關單詞：

1. grindstone：磨石，用來磨碎東西的工具。

2. millstone：碾磨石，用來碾碎糧食的工具。

3. grind to a halt：停滯不前，比喻事情進展緩慢或停止。

4. grind it out：努力工作，用努力和毅力來取得成果。

5. grind it up：把某物磨碎，比喻把某物處理成更小、更易于處理的形式。

6. wear and grind：磨損和消耗，比喻時間的流逝和事物的磨損。

7. grind one"s teeth：咬牙切齒，形容憤怒或痛苦時的表情。

8. grind through：艱難地完成某事，形容完成某事的過程非常困難。

9. grind out a living：艱難地謀生，形容生活條件艱苦。

10. grind it a little：有點過于苛刻，形容某人對他人要求過高或過于嚴格。

grind down

短語：

1. grind down the gears 齒輪磨損

2. grind down the teeth 牙齒磨損

3. grind down the metal 金屬磨損

4. grind down the tools 工具磨損

5. grind down the equipment 設備磨損

6. grind down the parts 零件磨損

7. grind down the production efficiency 生產效率下降

例句：

1. The machine tool is grinding down due to long-term use.

機器刀具由于長期使用而磨損。

2. The gears in the transmission are grinding down and causing a loss of efficiency.

變速箱的齒輪正在磨損，導致效率下降。

3. The metal is grinding down under constant pressure and wear and tear.

金屬在持續的壓力和磨損下正在磨損。

4. The tools are wearing out due to excessive use and need to be replaced regularly.

由于過度使用，工具正在磨損，需要定期更換。

5. The equipment is grinding down due to frequent breakdowns and maintenance issues.

由于頻繁出現故障和維護問題，設備正在磨損。

6. The parts are wearing out and need to be replaced to maintain the efficiency of the machine.

零件正在磨損，需要更換以保持機器的效率。

7. We need to improve our production efficiency by reducing grinding down of tools and equipment.

我們需要通過減少工具和設備的磨損來提高生產效率。

英文小作文：

When it comes to grinding down, it is a common problem in many industries. Whether it is a machine tool, tools, equipment or parts, they all need to be maintained and replaced regularly to ensure their efficiency and longevity. However, it is not always easy to identify the causes of grinding down and find solutions quickly. Therefore, it is important to have a systematic approach to maintain and repair equipment and tools effectively. By doing so, we can reduce production losses and improve our overall efficiency in the workplace.