n.妾；姨太太；情妇；妃子
The sultan's wives and concubines live in the harem. 苏丹的妻妾住在后宫。
The legal status of a concubine has varied in different societies. 在不同的社会，妾的法律地位有所不同。
I'd say she is a concubine's daughter. 我猜是小老婆的女儿罢。
For a maid to become a concubine is quite common-at least it used to be so. 丫头收房做姨太太，是很普通－－至少在以前很普通的事；
