proficient.

listen to the pronunciation of proficient.
English - Turkish
yeterli

O hem İspanyolcada hem de İtalyancada yeterli. - She is proficient in both Spanish and Italian.

O, İngilizcede yeterlidir. - He is proficient in English.

(Elektrik, Elektronik) kabiliyetli
becerikli

Tom oldukça becerikli, değil mi? - Tom is quite proficient, isn't he?

(at/in ile) usta
(sıfat) ehliyetli, mahir, usta
mütehassıs
proficiently maharetle
ustalıkla
usta
uzman

Tom uzman bir keskin nişancıdır. - Tom is a proficient marksman.

Fransızca'da uzman birisini arıyoruz. - We are looking for someone who is proficient in French.

maharetli
ehliyetli
English - English
possessing ample and ready knowledge or of skill in any art, science, or industry
{n} one who makes improvement
capable or skillful
having great knowledge and experience from training and practice
Good at; skilled; fluent; practiced, especially in relation to a task or skill
An expert
having or showing knowledge and skill and aptitude; "adept in handicrafts"; "an adept juggler"; "an expert job"; "a good mechanic"; "a practiced marksman"; "a proficient engineer"; "a lesser-known but no less skillful composer"; "the effect was achieved by skillful retouching"
One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc
{s} expert, having superior knowledge of a certain field; adept, skilled; masterful
If you are proficient in something, you can do it well. A great number of Egyptians are proficient in foreign languages. = competent. able to do something well or skilfully proficient in/at (present participle of proficere )
Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept
  Students are able to apply the appropriate concepts, skills, and strategies to perform given tasks