这栋大楼有五十年历史了。

Zhè dòng dàlóu yǒu wǔshí nián lìshǐ le.

This building has fifty years of history.

他是一名历史老师。

Tā shì yì míng lìshǐ lǎoshī.

He is a history teacher.

我喜欢看历史书。

Wǒ xǐhuān kàn lìshǐshū.

I enjoy reading history books.