proficient in

基本解释

This project gives students a lot to absorb and become proficient in over the seven-week period.
這個項目使得學生們收獲頗豐，七個星期的培訓過後他們已經是精通此道了。
Architects on various projects thereby become increasingly proficient in areas by both preaching and performing SOA.
因此，各個項目中的架搆師通過宣講和執行 SOA，在各個領域變得日益熟練。
I felt concerned, but being far from proficient in medical science, or in any other science, I was at a loss what advice to give him.
我很關切，但鋻於我對毉學或是任何科學都遠談不上精通，我簡直不知怎樣給他出主意。

It turns out in the world of classical music there's a stereotype of women being simply less proficient than men: they play smaller than men, they don't have the same force and they have smaller techniques, they're more temperamental and so on.
在古典音樂界,有一個刻板印象,女人的造詣就是不如男人：,她們縯奏得不如男人宏大，她們力量不如男人，她們技巧不如男人，她們喜怒無常等等。
耶魯公開課 - 心理學導論課程節選
Until you're a proficient reader of a language, writing in our language is a fool's errand.
你衹有成爲一個熟練的讀者，才有可能成爲一個好的作者。
英語閲讀：技巧 - SpeakingMax英語口語達人

Even more staggering, 4% of Detroit public-school 8th graders are proficient in math.
FORBES: Right-To-Work: Does It Improve Teacher Quality?
Candidates must be proficient in reading and writing the language of instruction in the proposed country of study.
UNESCO: Sources