concubine [ˈkɑ:ŋkjubaɪn]

例句:

• His concubine , Mistress Chen, was visiting with her old mother.
  陈姨太也回到了她的年老的母亲那里.
  
• " They say your grandfather's old friend Feng is looking for a concubine.
  “ 说是冯老太爷要讨姨太太,冯老太太也到我们公馆里头来过,她说,我们公馆里的丫头都长得不错,向老太爷要一个.
  
• He's nearly sixty. He still wants a concubine? "
  他六十岁了, 还讨小老婆? ”