fathom的音標為[?f?e?m] ，基本翻譯為“深，理解，探摸，測量深度”，速記技巧為：fathom n.理解（fath-挖-om-深）。

fathom的英文詞源是拉丁語詞匯“fatho”，意為“測量深度”。fathom作為名詞和動詞時，都有“理解、領悟”的含義。

fathom的變化形式是復數形式“fathoms”，動詞形式“fathom out”。

相關單詞有：

1. “understand”意為理解，與fathom作為動詞時有相似的含義。例如：“I couldn"t fathom the meaning of the poem.”（我無法理解這首詩的含義。）

2. “comprehend”意為包含、理解，也與fathom有相似的含義。例如：“I couldn"t comprehend all the information in the report.”（我無法理解報告中所有的信息。）

3. “fathomable”是一個形容詞，意為可理解的、可測量的，可以與fathom一起構成形容詞短語。例如：“The problem is fathomable with enough time and effort.”（如果有足夠的時間和努力，這個問題是可以理解的。）

以上單詞都與fathom有密切關聯，并且可以用來描述不同程度的理解和認知。由于fathom的含義和用法比較廣泛，以上列舉的單詞僅供參考，可以根據具體語境進行選擇使用。

常用短語：

1. in the fathom of oneself

2. get/reach/understand/comprehend fathoms

3. go to/plunge into/sink into the depths of

4. go to the bottom of

5. plumb the depths of

6. probe into/investigate into

7. delve into

例句：

1. I couldn"t understand the depth of his feelings until I really got to know him.

2. She plunged into the ocean to plumb the depths of its mystery.

3. The police went to the bottom of the case with no clues left.

4. His words probed into my thoughts and made me feel uneasy.

5. We need to delve into the reasons behind this problem.

6. The teacher used to explain complicated ideas in simple fathoms.

英文小作文：

Fathom the Mystery of Life

Life is a mystery that we can never fully understand, but with time and experience, we can delve into its depths and gain a better understanding of it. From the smallest bacteria to the largest galaxies, life is full of surprises and wonders that we can only fathom by exploring and learning more about it. Through science and observation, we can probe into the secrets of life and delve into its mysteries. Each discovery brings us closer to understanding the complexities of life and how it all works together. However, even with all this knowledge, there will always be more to discover and fathom in the depths of life"s mystery. Let us continue to explore and learn, for there is always more to discover and understand about this wonderful world we call home.