戴夫叫道
marked off───划分出;划线分隔
backed down───放弃;让步
buried deep───埋得很深
marked down───记下;减价;降低分数
sparked off───引起,激发;导致
barged in───v.闯入;干涉
barked───v.吠叫;发出笑声;咆哮;剥皮;擦破(bark的过去式和过去分词)