“省亲回家”可以翻译为 “return home for a family visit” 或者 “go back home to visit one's family” 。
例如：She will return home for a family visit during the holiday.（她会在假期省亲回家。）
He decided to go back home to visit his family after years of working abroad.（在国外工作多年后，他决定省亲回家。）