I understand he had no formal training, or much education.

This was quite special since she had no formal training.

We have no formal training so the work will go more slowly.

He received his formal training in Europe from 1900 through 1915.

A professional is someone who has had formal training for something.

She tried formal training in art, but it didn't take.

She has had no formal training beyond high school art classes.

She had no formal training and did not take up painting until middle age.

He had no formal training in music or song- making.

I haven't heard it said he's had much formal training.