18 sentences

1. 古人成年时需要加冠。

   gǔ​rén chéng​nián shí xū​yào jiā​guān.

   In ancient times, men underwent a capping ceremony when they reached adulthood.

   Source: Dong Chinese Dictionary

2. 你成年后改过名字吗？

   nǐ chéng​nián hòu gǎi guo míng​zi ma?

   Did you change your name as an adult?

   Source: OpenSubtitles

3. 我是成年女性了。

   wǒ shì chéng​nián nǚ​xìng le.

   I'm a grown woman.

   Source: OpenSubtitles

4. 我是个成年男人。

   wǒ shì gè chéng​nián nán​rén.

   I'm a grown man.

   Source: OpenSubtitles

5. 她已经成年了。

   tā yǐ​jīng chéng​nián le.

   She's of age.

   Source: OpenSubtitles

6. 一个人到了十八岁就成年了。

   yī gè rén dào le shí​bā suì jiù chéng​nián le.

   A person becomes an adult at the age of eighteen.

   Source: Dong Chinese Dictionary

7. ‎她成年了吗？

   ‎ tā chéng​nián le ma?

   Is she of age?

   Source: OpenSubtitles

8. 他已经成年，不能再仰人鼻息生活。

   tā yǐ​jīng chéng​nián, bù néng zài yǎng rén bí​xī shēng​huó.

   He is already an adult and can no longer live at the beck and call of others.

   Source: Dong Chinese Dictionary

9. 她成年后决定去寻找自己的生母。

   tā chéng​nián hòu jué​dìng qù xún​zhǎo zì​jǐ de shēng​mǔ.

   After she became an adult, she decided to go looking for her biological mother.

   Source: Dong Chinese Dictionary

10. 父母对未成年子女负有监护责任。

    fù​mǔ duì wèi chéng​nián zǐ​nǚ fù​yǒu jiān​hù zé​rèn.

    Parents have guardianship responsibilities for their minor children.

    Source: Dong Chinese Dictionary

11. 这是保护未成年受害者的一种方式。

    zhè shì bǎo​hù wèi chéng​nián shòu​hài zhě de yī zhǒng fāng shì.

    It's a way of protecting the underage victim.

    Source: OpenSubtitles

12. 他都成年了，还总是向父母伸手要钱。

    tā dōu chéng​nián le, hái zǒng​shì xiàng fù​mǔ shēn​shǒu yào qián.

    Even though he's an adult, he still constantly asks his parents for money.

    Source: Dong Chinese Dictionary

13. 我已经成年了，请不要干涉我的私生活。

    wǒ yǐ​jīng chéng​nián le, qǐng bù yào gān​shè wǒ de sī​shēng​huó.

    I am an adult; please do not interfere in my private life.

    Source: Dong Chinese Dictionary

14. 他已经成年了，却依然寄生在父母家里。

    tā yǐ​jīng chéng​nián le, què yī​rán jì​shēng zài fù​mǔ jiā​lǐ.

    He is already an adult, yet he still lives like a parasite at his parents' house.

    Source: Dong Chinese Dictionary

15. 古代男子成年时会举行盛大的加冠礼。

    gǔ​dài nán​zǐ chéng​nián shí huì jǔ​xíng shèng​dà de jiā​guān​lǐ.

    In ancient times, a grand capping ceremony was held when a man came of age.

    Source: Dong Chinese Dictionary

16. 这本书记录了他从少年到成年的成长历程。

    zhè běn shū jì​lù le tā cóng shào​nián dào chéng​nián de chéng​zhǎng lì​chéng.

    This book records his journey of growth from childhood to adulthood.

    Source: Dong Chinese Dictionary

17. 医生建议成年女性应该定期到医院进行乳腺检查。

    yī​shēng jiàn​yì chéng​nián nǚ​xìng yīng​gāi dìng​qī dào yī​yuàn jìn​xíng rǔ​xiàn jiǎn​chá.

    Doctors recommend that adult women should have regular breast examinations at the hospital.

    Source: Dong Chinese Dictionary

18. 这里的积雪成年不化。

    zhè​lǐ de jī​xuě chéng​nián bù huà.

    The snow here does not melt all year round.

    Source: Dong Chinese Dictionary