相关例句
keep on at
2.You are such a blockhead, I shall have to keep on at you for another hour.
5.At the insistence of the union the employer had to keep these men on at the factory .
7.The way he acted towards people was to keep on good terms with them at the expense of principle.
10.Start from customers requirement,and end at customers satisfaction;continuous improvement and innovation is our quality guideline and keep providing products of high quality and competitive price to market is our task.We will keep on serving customers wholeheartedly.

