Zhōngguó de fēngjiàn shèhuì chíxù le liǎng qiān duō nián.
China's feudal society lasted over two thousand years.
Tips
usage
In modern colloquial Chinese, 封建 is often used informally to criticize conservative or backward thinking, especially regarding gender roles or traditions. 你太封建了! = You're so old-fashioned!
history
Originally referred to the feudal system where kings granted land to lords. In modern Chinese political discourse, 封建社会 refers to the entire period of imperial China.