granny nanny

(名詞) 兒子和媳婦或者女兒和女婿去上班時負責照顧孫子女或外孫子女的奶奶或外婆。亦寫成 granny-nanny。複數為 granny nannies

Families squeezed by falling real incomes and rising childcare costs are increasingly relying on the generosity of ‘granny nannies’ to help them out.
—Esther Shaw, “The ups and downs of looking after your grandchildren,” Moneywise, October 17, 2016

One way is that we’re in our grandchildren’s lives more than ever before, whether from across the country thanks to Skype and FaceTime or as “granny nannies” — in some cases full time.
—Lesley Stahl, “Grandbabies: The Great Reward for Aging,” The New York Times, May 13, 2017