expertise

She earned a reputation for being thoroughly versed in her field.

How on earth did she pick up such a wealth of knowledge about fish?

She's a virtuoso typist.

She's regarded as the leading authority on this issue.

She is by no means an ordinary singer.

She's sure to take the Tokyo fashion world by storm.

She has a thorough understanding of her work.

By any measure, she's a scholar.

She mastered typing.

She is well-versed in that issue.

She had what it took for the job.

She is by far the best player in the club.

She was by far the best singer in the class.

She sings better than anyone else in the class.

She sings better than any other girl in the class.

She's good at playing the guitar.

She's at the top of the class.