7 sentences

1. 你知道未成年人不能作证。

   nǐ zhī​dào wèi​chéng​nián​rén bù néng zuò​zhèng.

   You know that minors can't testify.

   Source: OpenSubtitles

2. 他还是未成年人。

   tā hái shì wèi​chéng​nián​rén.

   He is a minor.

   Source: OpenSubtitles

3. 我不是未成年人。

   wǒ bù​shì wèi​chéng​nián​rén.

   I'm not a minor.

   Source: OpenSubtitles

4. 有未成年人在啊！

   yǒu wèi​chéng​nián​rén zài a!

   There are minors here!

   Source: OpenSubtitles

5. 她是未成年人。

   tā shì wèi​chéng​nián​rén.

   She's a minor.

   Source: OpenSubtitles

6. 法律规定，向未成年人售烟是违法的。

   fǎ​lǜ guī​dìng, xiàng wèi​chéng​nián​rén shòu yān shì wéi​fǎ de.

   The law stipulates that selling cigarettes to minors is illegal.

   Source: Dong Chinese Dictionary

7. 那些坏人试图勾引未成年人参与犯罪活动。

   nà​xiē huài​rén shì​tú gōu​yǐn wèi​chéng​nián​rén cān​yù fàn​zuì huó​dòng.

   Those bad people tried to entice minors into criminal activities.

   Source: Dong Chinese Dictionary