Three precious things; used to refer to various triads such as the three treasures of Northeast China (人参 rén​shēn, 貂皮 diāo​pí, and 乌拉草 wù​la​cǎo), or the Daoist virtues of compassion, frugality, and humility.

A palace eunuch who served the emperor and his family; also used as a general term for all eunuchs in the Ming and Qing dynasties.