We have no lessons this afternoon.

我们今天下午没课。

《新英汉大辞典》

We have no lessons on this day.

这一天，我们不用上课。

youdao

One of the clearest lessons of history is that there's no such thing as the foreseeable future, and particularly in traumatic times such as we have now, temperament is of the h importance.

历史最早的教训之一是，没有所谓可预见的未来，而尤其像在当下这种动荡岁月，气质决定一切。

youdao

If we all are willing to learn a few lessons from Juan we will always have steady work and more than enough customers no matter how bad the economy may be.

FORBES: What Recession? 10 Ways to Keep Your Job and Your Customers in Tough Times

Perhaps lessons have been learned, and the next time a president warns the American people that we have no choice but to invade another country or risk our doom, the press will do a better job of being skeptical, thoughtful and rigorous than it did 10 years ago.

CNN: Duped on Iraq War, has press learned?