亲戚(relative):father爸爸mother妈妈uncle叔叔aunt阿姨cousinbrother/sister堂(或表)兄弟;堂(或表)姐妹nephew侄儿;外甥niece侄女sister姐妹brother兄弟grandson孙子granddaughter孙女grandmother祖母grandfather祖父mother-in-law婆婆;岳母father-in-law公公;岳父daughter-in-law媳妇brother-in-law大伯,小叔,姐夫,妹夫sister-in-law嫂子,弟妹,小姑great-grandson(外)曾孙great-granddaughter(外)曾孙女great-grandfather(外)曾祖父great-grandmother(外)曾祖母