in action的音標(biāo)是[?n ??kt?v]，基本翻譯是“在活動中；在起作用”，速記技巧是：in+act（行動）=>in action。

In action這個詞的詞源可以追溯到拉丁語動詞“agere”，意為“行動，做”。其變化形式主要有現(xiàn)在分詞“acting”，過去式“acted”，過去分詞“action”。相關(guān)單詞有：

1. Action movie（動作電影）：這類電影通常包含許多打斗、追逐等激烈的動作場景。

2. Physical action（物理行動）：指物理上的動作或行為。

3. Active（積極的）：這個詞的含義與“行動”有關(guān)，表示活躍的、積極的。

4. Reaction（反應(yīng)）：這個詞源于拉丁語“recipere”，意為“回應(yīng)，反應(yīng)”。

5. Execute（執(zhí)行）：這個詞的含義與“行動”有關(guān)，表示實施、執(zhí)行某項計劃或命令。

6. Agitate（煽動）：這個詞的含義與“行動”和“鼓動”有關(guān)，表示煽動、鼓動他人采取某種行動。

7. Manifest action（明顯行動）：指明顯的、直觀的動作或行為。

8. Dynamic action（動態(tài)動作）：指動態(tài)的、活躍的動作或行為。

9. Interactive action（互動行動）：指在互動中采取的行動或反應(yīng)。

10. Dynamic behavior（動態(tài)行為）：這個詞的含義與“動態(tài)”和“行為”有關(guān)，表示活躍、變化的行為或特性。

以上這些單詞都與“in action”這個詞源有著密切的聯(lián)系，表示動作、行為、活躍等含義。這些單詞在英語中有著廣泛的應(yīng)用，涉及到各個領(lǐng)域和語境。

常用短語：

1. in action 在活動中

2. take action 采取行動

3. act on 按照…行動

4. act as 擔(dān)任，扮演

5. act out 表演

6. act on impulse 一時沖動做某事

7. act as a deterrent 起到威懾作用

例句：

1. The police are taking action against the criminal activities in the city.

2. We must act quickly to solve this problem.

3. He acted as a hero and saved the child from the fire.

4. They were acting out a scene from a movie.

5. His impulsive act caused a big stir in the community.

6. The law serves as a deterrent to would-be criminals.

英文小作文：

In Action: The Importance of Taking Action

Life is full of opportunities and challenges, and it"s important to take action when faced with them. Whether it"s solving a problem, achieving a goal, or making a difference in someone"s life, taking action is essential.

When we"re faced with a challenge, it"s easy to feel overwhelmed or unsure of what to do. But it"s important to remember that inaction is not an option. We need to take action and face the challenge head-on, even if it"s difficult or uncomfortable.

By taking action, we can gain confidence and momentum, which can lead to success and progress. It"s also important to learn from our mistakes and adjust our approach as we go along. There will be times when we make mistakes or things don"t go as planned, but that"s okay. It"s part of the process of growth and learning.

In conclusion, taking action is key to achieving our goals and making a difference in the world. It"s not always easy, but with persistence and effort, we can overcome any obstacle and achieve our dreams.