听说

improve one's listening and speaking skills

This is only hearsay. / It's nothing but hearsay.

I have never learned of her name.

I've never heard that you could play the piano.

I often hear people talk of such things.

It's said she is married.

You sing very well, I hear.

I'm sorry to learn/hear of/about your illness.

I've heard/I've been told that it's a good film.

The child is quite obedient.