青春

lǎo chǎng huī fù le qīng chūn

老厂恢复了青春。

This old factory has regained its old vigour.

lǎo rén zài yī cì huàn fā le gé mìng qīng chūn

老人再一次焕发了革命青春。

The old man was rejuvenated by his revolutionary youth.

lǎo chǎng jīng gǎi gé chóng xiàn le qīng chūn

老厂经改革，重现了青春。

The old factory has been reformed and rejuvenated.

qīng chūn jǐ hé

青春几何？

How old is the youth?