Learn about 了解
to hear facts or information that you did not know
Hey. Wanna learn about swimming and fitness class?
Find out 查明；了解
I know nothing about swimming and workout. I’m gonna find out about it.
learn v. 获悉，听说
I was so surprised to learn the news that he’s going to live abroad forever.
Learn to live with sth
She doesn’t like her job.But she has to learn to live with it.
Live and learn!
I’ve never tried to swim in a sea in winter. Well, live and learn.