Mom announced that she was going to visit her family for a couple of weeks, which was absolutely unheard of.妈妈说她要回娘家几周，这绝对是前所未有的事。Mom announced that she was going to visit her family for two weeks, which was absolutely unheard-of.妈妈宣布她要回娘家住两星期，这可是破天荒头一遭。