词语

数典忘祖据《左传》记载春秋时晋国大夫籍谈没有回答好周天子的提问而被周天子讽刺为“数典而忘其祖”。后比喻忘掉自己本来的情况或事物的本源。英give all the historical facts except those about one's own ancestors; forget one's ancestors and ancestral tradition;

数典历举典故。