The new advertising campaign rams home the dangers of drink-driving.新一轮的宣传活动把酒后驾车的危害讲得很透彻。He tried to ram home the importance of meeting the deadline.他尽量强调按期完成的重要性。Railway lines are dangerous places and it is up to parents to ram home the dangers to their children.铁路线上很危险，家长有责任向孩子说清楚。