drum in (或 into)

• 反复(或强行)灌输；反复强调 (或讲述) (使他记住)：

  I tried,but failed,to drum into him that he shouldn't smoke so much.

  我百般劝他别抽那么多烟，但没有见效。

  Her mother drummed it into her that she had to succeed.

  她母亲反复向她灌输她必须成功。

  The lecturer tried to drum in his viewpoint, but the students were not listening.

  演讲者设法讲明他的观点，但学生们却充耳不闻。

  to drum something into someone's head

  把某物灌输到某人的脑中