little third/ mistress 小三；情婦

little third/ mistress
繁：小三；情婦
简：小三；情妇

這種新興產業主要幫助那些丈夫有婚外情，即俗稱”小三“的妻子們討回公道和老公。

中國33種勸退「小三」的辦法（2017年12月22日），BBC中文網，取自 http://www.bbc.com/zhongwen/trad/chinese-news-42445906

A plain-spoken character, he runs a team of undercover operatives who travel the country helping women separate their menfolk from unwanted “little thirds“, as mistresses in China are colloquially known.

The Love Hospital that separates spouses from their lovers. (2017, December 21). BBC. Retrieved from http://www.bbc.com/news/stories-42368754