noun · A slang or euphemistic reference to the anus.

该词在某些语境下被用作后庭的隐晦说法。

noun · The rear courtyard or garden of a traditional residence or building.

他在自家的后庭里栽种了几株牡丹。

noun · The private residential quarters for the emperor's family and concubines in a palace.

宫廷剧中常有关于后庭权斗的情节。