I had always impressed upon the children that if they worked hard, they would succeed.我总是让孩子们牢记努力就会成功。I had always impressed upon the children that if they worked hard they would succeed in life.我总让孩子们牢记努力工作就会成功。I've impressed upon them the need for more professionalism.我已使他们深刻认识到提高专业素养的必要性。