英语胜在简单，姥姥姥爷和爷爷奶奶都是grandparents = grand father and grand mother但也可以有分别的讲法，例如: mother side grand parents, father side grand parents; 既简单又清楚，同样也应用在uncles and aunts, mother side uncle= 舅舅，father side uncle= 叔叔;