impuissant的音標是[?m?pju?s(?)nt]，基本翻譯是“無能的；無力的；無助的”。速記技巧是：im=in+m=in m=much，可以理解為“很多無力”就是“無能的”。

impuissant這個詞源自拉丁語im-（否定前綴）和potens（強大的）的合成詞，意思是“無能的”、“無力的”。

它的變化形式主要有：

- 過去式：impaired；

- 過去分詞：impaired；

- 現在分詞：impaired；

- 復數：impressions。

相關單詞有：

1. impairment - 損害，損傷，指的是對某物的損害或削弱。例如：brain impairment 腦損傷。

2. impairment claim - 損害索賠，指的是因為財產或人身受到損害而提出的索賠要求。

3. impairment test - 損害試驗，指的是對物品或材料進行測試以確定其是否受損或變質的過程。

總的來說，impuissant這個詞在英語中表示“無能的”、“無力的”，它的變化形式和相關單詞都與這個詞的詞義和用法密切相關。這些詞匯不僅可以幫助我們更好地理解和使用這個詞，還可以幫助我們擴展詞匯量并更好地掌握英語。

常用短語：

1. be unable to do

2. be powerless to do

3. be incapable of doing

4. lack the ability to do

5. lack the capability to do

6. be incapable of doing anything

7. lack the strength to do

雙語例句：

1. I am unable to swim right now, due to a recent injury.

2. The storm was so powerful that we were powerless to do anything but wait it out.

3. He is incapable of working due to a long-term illness.

4. She lacks the ability to complete the project on time.

5. The teacher lacks the capability to teach effectively due to a lack of resources.

6. The dog was so exhausted that it was incapable of moving for a while.

7. The storm knocked out our power, leaving us all incapable of doing anything for days.

英文小作文：

Life can be challenging at times, especially when we are faced with unexpected difficulties and challenges. Sometimes, we may feel powerless and unable to overcome these obstacles on our own. However, it is important to remember that we have the ability to overcome these challenges with the help of others and through perseverance and hard work.

When we are faced with difficulties, we need to stay positive and try to find solutions rather than giving up easily. We can seek help from family and friends, seek professional advice, or try new methods and strategies to overcome our challenges. By doing so, we can gain strength and resilience, which will help us to become stronger and more capable individuals.