HSK 4 · noun
内
inside; inner; within (内)
图书馆内很安静。
Túshūguǎn nèi hěn ānjìng.
It is very quiet inside the library.
这是我学的基本内容。
Zhè shì wǒ xué de jīběn nèiróng.
This is the basic content I've learned.
图书馆内禁止说话。
Túshūguǎn nèi jìnzhǐ shuōhuà.
Talking is not allowed in the library.
他十秒内回答了问题。
Tā shí miǎo nèi huídá le wèntí.
He answered the question within ten seconds.