（to）drive（one's） point home
（为了）把（某人）论点讲透彻,（为了）彻底阐明（某人）观点 ,（为了） 宣扬（某人）观点
造句：
To drive his home point, he explained it again.
为了讲清楚自己的观点,他有解释了一遍.
He is planning a speech later this month at the University of Oxford to drive his point home.
在本月末,他准备在牛津大学演讲以宣扬他的观点.