Sentence examples for has not mastered from inspiring English sources

He has not mastered the Spanish language.

Rafael Bonachela has not mastered the art of celebrity gossip.

The godfather of electronic music has not mastered the sound-bite.

To build resilience, praise effort and emphasize that the child simply has not mastered a skill yet.

Approaching what could be the career midway point, James has not mastered a reliable midrange jumper, as Michael Jordan did on the fly.

I suspect one of the reasons he has not mastered the salesmanship dimension of modern politics is because he despises it.

He hasn't mastered television.

-- the "Harry Potter" author hasn't mastered it yet.

Brett Ratner, I'm guessing, hasn't mastered Italian.

But what she hasn't mastered is meeting men.

Or a martial art she hasn't mastered?