A professional driver is held to a greater proficiency and safety than other drivers.

He showed great proficiency in learning the local languages, especially Huron.

This gave him more time to master the Tamil language in which he soon showed great proficiency.

Shermain, from a very young age, showed great proficiency for dance and song.

Henry had studied Chinese before going to China and gained a great proficiency in the language.

Despite these limitations, Haigh developed great proficiency in the piano, which he learned at home.

There he gained great proficiency in the art.

Shows great proficiency in all types of medicines and means of healing.

This is a technical matter about which you boast great proficiency.

Both of these talented young dancers moved with unaffected ease and great technical proficiency.