•How can we make science lessons more interesting?我们怎样才能把理科课程讲得更有趣一些呢?

•She has never had/taken any acting lessons.她从未上过表演课。

•He gives French lessons.他教法语课。

•There is a lesson for all parents in this tragic accident.所有父母都应该从这起悲剧性事件中吸取教训。

•My parents made me pay back all the money and it was a lesson I never forgot.我父母让我把钱都还了回去，这次教训我永远都不会忘记。

•We can learn important lessons (= gain new understanding) from this disaster.从这次灾难中我们可以汲取重要教训。