at-risk的音標是["?tr?sk]，基本翻譯為“處于危險中的”。速記技巧可以考慮使用字母縮寫法，將其記為“A TR X”。其中，每個字母分別代表單詞中的各個字母，即“at-risk”可以記為“A-t risk is risk”。這樣可以快速記憶新的單詞。

at-risk這個詞的英文詞源可以追溯到拉丁語at-riscus，意為“危險的”。它的變化形式包括過去式at-risked，過去分詞at-risked，現在分詞at-risking，以及形容詞at-risk。

相關單詞：dangerous（危險的），peril（危險），hazard（危害），risk-averse（規避風險的），risk-taking（冒險），risk-mitigation（風險緩解），risk-sharing（風險分擔），risk-adjusted（風險調整的），risk-tolerant（風險容忍的）。

這些單詞都與at-risk有著密切的聯系，它們都表示與風險、危險相關的概念。其中，dangerous是最常見的形容詞，表示一種客觀存在的、可能對人的生命或財產造成威脅的狀態。peril和hazard則更多地強調了某種特定的、不可預測的危險因素。risk-averse和risk-taking則反映了人們在面對風險時的不同態度和行為。risk-mitigation和risk-adjustment則關注如何減少和調整風險，而risk-tolerant則表示對風險的容忍程度。

短語：

1. at-risk population

2. at-risk behavior

3. at-risk youth

4. at-risk communities

5. at-risk families

6. at-risk individuals

7. at-risk situation

例句：

1. The at-risk population in our country is increasing due to poverty and lack of education.

2. We need to take action to stop at-risk behavior before it leads to more serious problems.

3. At-risk youth need support and guidance to help them turn their lives around.

4. The at-risk communities in our city need more resources and support to improve their living conditions.

5. At-risk families need help and understanding to overcome their difficulties and build better lives.

6. Individuals can be at-risk due to mental health issues or other challenges, and it"s important to be aware of this and support them.

7. We are all at risk in certain situations, so it"s important to be prepared and have a plan B.

英文小作文：

Protecting the At-Risk Population

In today"s world, there are many people who are at risk of facing various challenges and difficulties in their lives. These people may be from marginalized communities, families with economic difficulties, or individuals facing mental health issues or other challenges. To ensure that these people have a chance to live a healthy and fulfilling life, it is essential to take action to protect them and provide the necessary support and resources.

Firstly, we need to recognize the importance of this issue and be willing to take action. We can start by educating ourselves about the issues faced by the at-risk population and learn about effective strategies for providing support. We can also raise awareness among our friends and family, encouraging them to be more inclusive and compassionate towards those who are facing challenges.

Secondly, we need to provide resources and support to those who need it most. This could include financial assistance, food banks, clothing drives, and other forms of tangible support. We can also provide emotional support, listening ears, and encouragement to help those who are facing challenges cope with their difficulties.

Lastly, we need to create an environment that is safe and supportive for all people, regardless of their background or circumstances. This could include promoting equality and inclusivity in our communities, schools, and workplaces, as well as providing access to healthcare, mental health support, and other essential services. By working together, we can ensure that the at-risk population has a chance to thrive and contribute to society.