extort 的音標是[?k?st??rt]，基本翻譯是勒索。

速記技巧是：可以結合上下文語境進行記憶，例如在勒索的過程中，對方可能會威脅受害者，要求他們交出財物，否則就會采取暴力手段等極端行為。通過這種方式，可以更好地記住單詞的意思和用法。

extort這個詞的詞源可以追溯到拉丁語詞根“extorquere”，意為“榨取”或“強取”。這個詞在英語中演變至今，主要變化形式為加前綴“ex-”和詞根“tort”，組合成“extort”。

相關單詞：

1. extortion - 這個詞指的是通過威脅、強迫或欺騙等手段獲取財物或信息的行為。這個詞也用來形容這種行為的性質，即不道德、非法或卑鄙的。

2. extortionate - 指獲取不義之財的，或者獲取過多的、過分的財物。這個詞也用來形容這種行為，即貪婪、不公正或過分的。

3. extortionist - 指進行敲詐、勒索等非法行為的人。這個詞也用來形容這種人的性質，即貪婪、不道德或危險的。

以上這些單詞都與extort有著密切的聯系，它們都反映了人類對于正義、道德和權利的理解和追求。同時，這些單詞也體現了語言的發展和演變，反映了人類社會的復雜性和多樣性。

常用短語：

1. extort money from sb

2. extort information

3. extort a confession

4. extort a bribe

5. extort a ransom

6. extort a confession under duress

7. extort a bribe under threat

例句：

1. He was accused of extorting money from businessmen.

2. The police were investigating allegations that the mayor had been extorting information from local businesses.

3. She was forced to confess after being extorted by the gangsters.

4. The kidnappers demanded a ransom in exchange for the safe return of their victim, who was extorted by them.

5. The prisoner was extorted a confession under duress and sentenced to a long term of imprisonment.

6. The teacher was accused of extorting a bribe from the student.

7. The company was accused of extorting a bribe from local suppliers in order to secure contracts.

英文小作文：

Extortion is a serious criminal offense that can have devastating consequences for individuals and businesses. It involves the threat or use of force to obtain money or information from others, often under the threat of harm or violence. In this essay, we will explore the dangers of extortion and discuss ways to prevent and combat it.

Extortion can have a significant impact on individuals and businesses, as it can lead to financial loss, reputational damage, and even physical harm. It is important to recognize the warning signs of extortion and take appropriate action to protect oneself and others. Firstly, it is essential to report any instances of extortion to the authorities, as they can help investigate and prosecute offenders. Additionally, businesses should implement robust security measures, including surveillance cameras, secure communication systems, and employee training, to prevent extortion attempts in the first place.

Furthermore, we must recognize that extortion is not just about individuals and businesses, but also about society as a whole. By preventing and combating extortion, we can promote a safer and more secure environment for all members of society. Ultimately, we must remember that extortion is a criminal offense that can have devastating consequences, and we must take action to prevent and combat it wherever possible.