grown-up

grown-up的音标是[ɡraʊn-ʌp]，基本翻译是“成年人；长大的人”。速记技巧是：可以联想到grow（生长）这个单词，-up表示向上，所以grown-up可以理解为已经长成的人。

Grown-up这个词的词源可以追溯到古英语，它是由两个词组成的，一个是grow（生长，发育），另一个是up（向上）。这个词的意思是“成年人，长大的人”。

变化形式：在英语中，grown-up的形式是名词，没有明确的过去式、过去分词、现在分词、复数形式或第三人称单数形式。

相关单词：

1. Adult：这个词也是由两个词组成的，ad（to）和ult（ultimate，最终）组成，表示成年人。这个词在英语中非常常见，可以指任何年龄在成年标准以上的人。

2. Maturity：这个词来源于拉丁语，意思是“成熟”，在英语中通常用来形容人的成熟和稳重。

3. Matron：这个词来源于拉丁语，意思是“成年女性”，通常用来形容成年女性，尤其是那些有成熟魅力的女性。

4. Grown-up child：这个短语用来形容已经长大的孩子。

5. Grown-up responsibility：这个短语用来形容成年人应该承担的责任。

6. Grown-up world：这个短语用来形容成年人的世界，通常与成熟和责任有关。

7. Upbringing：这个词来源于古英语，意思是“成长的过程”，通常用来形容一个人成年前的成长环境。

8. Adult child：这个单词用来形容成年人的孩子。

9. Grown-up issues：这个短语用来形容成年人面临的复杂问题。

10. Grown-up decision：这个短语用来形容需要成年人做出决策的情况。

以上这些单词和短语都与grown-up这个词有关，描述了成年人生活的各个方面。

常用短语：

1. grown-up world

2. become a grown-up

3. grow up

4. adulthood

5. responsible for oneself

6. take care of oneself

7. adulthood responsibilities

例句：

1. I"m ready to enter the grown-up world.

2. She grew up to be a strong and independent woman.

3. He"s finally reached adulthood and is able to take care of himself.

4. As we grow up, we must learn to take responsibility for our own actions.

5. It"s time to start taking adulthood responsibilities.

6. She had to learn to take care of herself as a single mother.

7. We all have to grow up and face the responsibilities of adulthood sooner or later.

英文小作文：

Growing up is a challenging and exciting process, filled with both joy and challenges. As we grow up, we learn to take responsibility for ourselves, make our own decisions, and face the responsibilities of adulthood, such as paying bills, managing our own finances, and taking care of our own physical and emotional well-being. At the same time, we also gain independence, freedom, and the opportunity to pursue our dreams and goals. However, growing up also means saying goodbye to childhood and the safety net of parents" support, which can be both frightening and exhilarating. Despite the challenges, I believe that growing up is worth it because it allows us to become more self-reliant, confident, and capable individuals who can make a difference in the world.