a little boy was practicing his violin, while his father sat reading the newspaper. the family dog began to howl along dismally.一个小男孩在练习小提琴,他的父亲在读报纸。随着小男孩的琴声,家里养的狗也开始高一声低一声的叫起来。finally, the father could endure the combination no more and said, "can't you play something the dog doesn't know?"最后,小男孩的父亲实在忍不下去了,说,“难道你就不能拉一些狗听不懂的曲子吗?”