delinquency的音標為[d?"l??kw?ns?] ，基本翻譯為“不良行為；失職；拖欠”，速記技巧為：delinquent是形容詞，delinquent + 名詞 = 拖欠賬單的人（即不良少年）。

Delinquency這個詞的詞源可以追溯到拉丁語“delinqua”，意為“欠債不還”。這個詞在英語中用來描述違反社會規范或法律的行為，尤其是青少年犯罪行為。

Delinquency的變化形式包括其名詞形式delinquent，形容詞形式delinquent和deserving，以及動詞形式delinquish。

相關單詞包括：

1. Crime（犯罪）：這個詞與delinquency有密切關系，因為delinquent行為通常被認為是犯罪行為。

2. Juvenile（青少年）：這個詞與delinquency也有關聯，因為青少年時期是許多delinquent行為發生的階段。

3. Discipline（紀律）：這個詞與delinquency有相反的關系，因為社會規范和法律旨在維護紀律和秩序，防止delinquent行為的發生。

4. Revenge（報復）：這個詞與delinquency沒有直接關系，但復仇行為可能源于對不公正行為的憤怒和報復心理。

5. Infringement（侵犯）：這個詞也與delinquency有關聯，因為delinquent行為可能涉及到對他人權利的侵犯。

以上單詞的英文詞源、變化形式和相關含義可以進一步解釋為：

1. Crime：Crime的名詞形式criminal來源于拉丁語“criminis”，意為“犯罪的人”。Crime的形容詞形式criminal也來源于此，意為“犯罪的”或“應受懲罰的”。

2. Juvenile：Juvenile的形容詞形式juvenile意為“年輕的”，而其名詞形式juvenile delinquency意為“青少年犯罪”。

3. Discipline：Discipline的動詞形式discipline意為“訓練”，而其名詞形式discipline意為“紀律”或“學科”。這個詞與delinquency相反，強調遵守社會規范和法律的重要性。

4. Revenge：Revenge的動詞形式revenge意為“報復”，而其名詞形式revenge意為“復仇”或“報復”。這個詞與delinquency的關系是，復仇可能源于對不公正行為的憤怒和報復心理。

5. Infringement：Infringement的動詞形式infringe意為“侵犯”，而其名詞形式infringement意為“侵犯行為”或“侵權行為”。這個詞強調對他人權利的侵犯，與delinquent行為有相似之處。

常用短語：

1. delinquent behavior

2. delinquent debt

3. delinquent taxes

4. be in arrears

5. be behind on payments

6. be in default

7. be in violation

例句：

1. He has a history of delinquent behavior and has repeatedly failed to pay his bills on time.

2. The company is delinquent on its taxes and is facing legal action.

3. She is two months behind on her rent and is afraid she will be evicted.

4. The student is in arrears for his tuition and is worried about his future.

5. The factory is in default of its contractual obligations and has caused significant financial losses to its creditors.

6. The company is being investigated for being in violation of environmental regulations.

英文小作文：

Delinquency is a common problem in society, affecting individuals, businesses, and communities in different ways. It can lead to financial difficulties, legal issues, and social exclusion for those who are delinquent.

For individuals, delinquency can mean missing payments on loans, credit cards, or other forms of debt, which can lead to higher interest rates and increased debt burden. Businesses may be delinquent on taxes or other payments, which can result in fines, penalties, and legal action.

Delinquency also affects communities, as it can lead to increased crime rates and social unrest. When businesses and individuals fail to pay their debts or taxes on time, it can have a negative impact on the overall economy and financial stability of a community.

To address delinquency, it is important to have effective laws and regulations in place to ensure that those who are delinquent are held accountable for their actions. At the same time, it is also essential to provide support and resources to those who are struggling with delinquency, such as through counseling, treatment programs, and other forms of assistance. Only by working together can we address this widespread problem and create a more stable and prosperous society.