The power company has learned some hard lessons in the last few years.

Years later we would learn a hard lesson about social change.

And better he should get the hard lesson now, than later.

And I know we have learned the hard lessons of the 1980's.

What a hard lesson she had learned when her husband died!

It had been a long and hard lesson for him.

Now there are hard lessons here for my party which some won't like.

It had been a hard lesson for some of them.

He said his efforts were the result of the hard lessons learned over the years.

"John is an example of someone who learned a hard lesson and will never get in trouble again."