及其

jíqí

conjunction HSK 7 #11,077

Meanings

Běn shū jièshào le Zhōngguó lìshǐ jíqí wénhuà.

This book introduces Chinese history and its culture.

Xiàozhǎng jíqí jiāshǔ chūxí le huódòng.

The principal and their family attended the event.

及其 is formal written Chinese. In everyday speech, people just say 和 (hé) or 和他的/她的. It literally means "and its/their" (及 = and, 其 = its).

mistakes

Don't confuse 及其 (jíqí, "and its") with 极其 (jíqí, "extremely"). They sound identical but have completely different meanings.

及 jí

其 qí