...If I am not proficient enough, yet knowing the rudiments I can easily improve... 
Rafael Sabatini 「Scaramouche」
...Moderately proficient at all gamesas a boy and an undergraduate, he hadfound that swimming was the only sportin which he excelled, and he had cultivatedand maintained the art...
Various 「Ainslee's magazine, Volume 16, No. 2, September, 1905」
...They are very proficient inthrowing stones and other missiles...
Royal Dixon 「The Human Side of Animals」
...Under thestimulus of these higher standards the Negro medical profession will becomemore thoroughly equipped and proficient in the years to come...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...Another amusement—it can hardly be called an art—ofthe Papuans is the game of cat’s cradle, at whichmany of them are extraordinarily proficient...
A. F. R. Wollaston 「Pygmies and Papuans」
...Though never proficient in the grammar of art he managedby blendings of color to suggest certain sentiments regarding lightand air that have been rightly esteemed poetic...
John C. Van Dyke 「A Text-Book of the History of Painting」
...He became proficient in Italian and Greek, studiedmathematics, and read books on astronomy...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
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