明天我们上大课。

We'll have an enlarged class tomorrow.

《新英汉大辞典》

商学院和法学院上大课但也取得了不错的效果，其他学院为什么不行呢？

Business and law schools achieve good results with big classes. Why not other colleges?

youdao

上大课，尤其是那种设在演讲礼堂里的大课，很不幸，更缺乏教学弹性。

Larger classes, particularly those held in lecture halls, unfortunately, allow much less flexibility.

youdao

If you take the clustered classes,

如果你上集体大课，

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