Xishi (c. 450 BC), famous Chinese beauty, foremost of the four legendary beauties 四大美女[si4 da4 mei3 nu:3], given by King Gou Jian 勾踐|勾践[Gou1 Jian4] of Yue as concubine to King of Wu as part of a successful plan to destroy Wu
to set sth upright or straight / to promote an employee from part-time to full-time (or from deputy to principal) / (old) to raise from concubine to wife status
收房
shōu fáng
to take as a concubine
貂蝉
Diāo Chán
Diaochan (-192), one of the four legendary beauties 四大美女[si4 da4 mei3 nu:3], in fiction a famous beauty at the break-up of Han dynasty, given as concubine to usurping warlord Dong Zhuo 董卓[Dong3 Zhuo2] to ensure his overthrow by fighting hero Lü / Bu 呂布|吕布[Lu:3 Bu4]
妲己
Dá jǐ
Daji (c. 11th century BC), concubine of the last Shang dynasty king Zhou Xin 紂辛|纣辛[Zhou4 Xin1]
冷宫
lěng gōng
(in literature and opera) a place to which a monarch banishes a wife or concubine who falls from favor / (fig.) the doghouse / a state of disfavor
wife or senior concubine of husbands older brother (old) / elder sister (old)
霸王别姬
bà wáng bié jī
The Conqueror Bids Farewell to His Favorite Concubine (tragic opera by Mei Lanfang 梅蘭芳|梅兰芳[Mei2 Lan2 fang1]) / Farewell My Concubine (1993 film by Chen Kaige)