I spent about five hours learning things you could have told me five days ago.

We spent an hour learning the different foot positions, most of them named for ballet maneuvers.

I'm spending every hour learning about the department, its programs and people.

He had spent thousands of hours learning to be the very best combat pilot in the organization.

There, medical residents spend three hours learning how it feels to be old.

I found the spy shop not more than a half hour later in a huge shopping mall learning with cars and people.

So don't spend hours and hours learning many different words.

In secret they had then spent a number of hours learning to use them.

"They have to spend hours learning how to say it."

She spent hundreds of hours learning how to work the machinery.