FAMILYa young person, usually a woman, who stays with a family in a foreign country to learn the language, and looks after their children for a small wage 换工互惠生,寄居生〔通常为女性,住在外国家庭里学习外语并帮助照看孩子〕
Examples from the Corpus
au pair• The au pair may have a different view of her status in the household than her employers do.