其次，要充分利用课堂上的时间。

Secondly, make full use of the time in the class.

youdao

他们确实提了建议——单独讨论效率太低，充分利用课堂教课时间，在黑板上用红笔标注课堂难点，我采纳了这些建议。

They did have suggestions — individual conferencing is inefficient, make full use of teaching time in class, write difficult parts of the lesson in red on the board — which I followed.

youdao

充分利用课堂上的时间。

Make full use of your time in class.

youdao

充分利用课堂上的时间。

Make full use of your time in class.

youdao