detective的音標是[d?"tekt?v]，基本翻譯是“偵探”。速記技巧是將其拆分為輔音元素和元音元素，如/d?/、/tekt?v/，并嘗試將其與已學習的單詞進行關聯，以幫助記憶。

英文單詞“detective”的詞源主要有：de-（向下）+tect（抓捕）+ive（表形容詞，起修飾作用）。

變化形式：

1. 過去式：detected

2. 過去分詞：detected

3. 現在分詞：detecting

4. 復數：detectives

相關單詞：

1. detection：n. 發現，查明，檢測。這個詞源于detective，表示發現或查明某事的能力。

2. detective：n. 偵探；adj. 偵探般的。這個詞直接來源于detective，表示具有偵探般特質或技能的人。

3. detec-：前綴，表示發現或察覺。這個詞可以與表示動作的詞結合，構成表示發現或察覺的單詞。

例句：The detective was able to detect the presence of drugs in the suspect"s possession.（這位偵探成功察覺到了嫌疑犯所持有的毒品。）

以上就是關于detective的詞源、變化形式和相關單詞的介紹，希望對你有所幫助。

常用短語：

1. detective work 偵探工作

2. solve the mystery 破解謎團

3. sleuth out 搜尋

4. investigate thoroughly 徹底調查

5. uncover the truth 揭示真相

6. track down 追蹤

7. go undercover 臥底

雙語例句：

1. The detective worked hard to solve the mystery of the missing child. （偵探努力工作以解決失蹤兒童之謎。）

2. The police are investigating the case thoroughly to uncover the truth. （警方正在徹底調查此案以揭示真相。）

3. The detective tracked down the suspect after weeks of careful surveillance. （經過幾周的嚴密監視，偵探追蹤到了嫌疑人。）

4. We need to sleuth out any clues that might lead us to the culprit. （我們需要搜尋任何可能引導我們找到罪犯的線索。）

5. The detective"s thorough investigation led to the discovery of the missing person. （偵探的徹底調查揭露了失蹤者的下落。）

6. We must not let our guard down until we have solved this mystery. （在破解這個謎團之前，我們不能放松警惕。）

7. The detectives went undercover to gather evidence against the suspects. （偵探們臥底以收集對嫌疑人的證據。）

英文小作文：

Detectives are often portrayed as brave and cunning individuals who are dedicated to solving mysteries and bringing criminals to justice. However, their work is not always glamorous, and it requires patience, perseverance, and a keen sense of observation. In my opinion, detectives are truly heroes who risk their lives to protect the innocent and uphold justice.

As a child, I always enjoyed reading stories about detectives because they always managed to solve the mysteries with clever strategies and astute observations. However, I never realized how difficult and dangerous their job really was until I grew up and started to appreciate their dedication and courage. Today, I admire detectives even more because they are willing to put their lives on the line to protect our safety and security.

In conclusion, detectives are an integral part of our criminal justice system and they play a crucial role in maintaining public safety and upholding justice. Without their dedication and courage, we would not have a safe society to live in.