detain的音標是[d?"te?n]，基本翻譯是“拘留；阻止；耽擱”，速記技巧是de-（分離）+tain（保持）→留住→拘留。

detain的英文詞源可以追溯到拉丁語detinere，意為“保持，保留”。它的變化形式包括detained（被扣留的），detaining（拘留的）等。

相關單詞：

1. imprisonment：這個詞由im-和-prison組成，可以理解為“被關進監獄”，與detain有相似的含義。

2. detention：detain和-ment組合，表示“被扣留的狀態”。

3. seize：這個詞意為“抓住”，與detain的原始含義有相似之處。

4. holdup：這個詞意為“阻止前進”，可以理解為“阻止，扣留”的意思。

5. arrest：這個詞意為“逮捕”，與detain有相似的功能，都是對犯罪嫌疑人的臨時扣留。

6. lockup：這個詞意為“鎖起來”，可以理解為“扣押，拘留”的意思。

7. detachment：這個詞意為“分離，不參與”，可以理解為對某個事物的“不參與，不干涉”的態度，與detain的含義有相似之處。

8. custody：這個詞意為“保管，監護”，可以理解為對某個人的“監護，看管”行為，與detain的含義也有相似之處。

9. delay：這個詞意為“延遲，耽擱”，可以理解為“阻止前進或發展”的行為，與detain的含義也有相似之處。

10. captivity：這個詞意為“被俘虜，被囚禁”，可以理解為被“俘虜或囚禁的狀態”，與detain的含義也有相似之處。

總的來說，detain的含義是“阻止前進或發展，扣留或拘留某人或某物”，其相關詞匯都與其含義有相似之處。

常用短語：

1. detain sb. 扣押某人

2. be detained 被扣押

3. be detained for questioning 因涉嫌問題被扣留

4. be detained in custody 被拘留

5. be detained for a period of time 被扣留一段時間

6. be detained at the border 被在邊境扣留

7. be detained for investigation 因調查被扣留

雙語例句：

1. The suspect was detained for questioning by the police.

警察扣留了嫌疑人進行調查。

2. The ship was detained at the port for a few days due to technical issues.

由于技術問題，這艘船在港口被扣留了幾天。

3. He was detained in custody after being arrested for drunk driving.

他因酒后駕車被捕后被拘留。

4. The plane was detained at the airport due to bad weather conditions.

由于天氣原因，飛機在機場被扣留。

5. The tourists were detained at the border due to passport issues.

由于護照問題，游客們在邊境被扣留。

6. The suspect was released after being detained for a few hours.

嫌疑人被扣留了幾小時后被釋放。

7. We apologize for any inconvenience caused by the delay of your flight, and we will ensure that this does not happen again in the future.

對于您的航班延誤造成的任何不便，我們深感抱歉，并保證未來不會再發生此類情況。

英文小作文：

I am writing to express my gratitude to the police for their dedication and professionalism in dealing with emergencies and handling cases of criminal activity. Without their timely intervention, many incidents could have escalated into more serious situations, which could have resulted in harm to innocent people and property damage. I am reminded of a recent case where a robbery occurred in our neighborhood, and the police promptly responded and detained the suspects, preventing further harm to our community. I am also appreciative of the efforts of the prison system, which ensures that those who have committed crimes are held accountable and receive the necessary punishment to deter future criminal activity. In conclusion, I believe that law enforcement agencies play a crucial role in maintaining public safety and order, and I am grateful for their dedication and commitment to serving our communities.