квалифицированный
1. прилагательное искусный, опытный, умелый Например: he is proficient in art — он знаток искусства proficient swimmer — опытный пловец Синоним(ы): skilful, skilled 2. имя существительное знаток, мастер, специалист Например: perfect proficient — отличный специалист Синоним(ы): expert, connoisseur
adjective Etymology: Latin proficient-, proficiens, present participle of proficere to go forward, accomplish, from pro- forward + facere to make — more at pro-, do well advanced in an art, occupation, or branch of knowledge • proficient noun • proficiently adverb Synonyms: proficient, adept, skilled, skillful, expert mean having great knowledge and experience in a trade or profession. proficient implies a thorough competence derived from training and practice Example: proficient in translating foreign languages. adept implies special aptitude as well as proficiency Example: adept at doing long division. skilled stresses mastery of technique Example: a skilled surgeon. skillful implies individual dexterity in execution or performance Example: skillful drivers. expert implies extraordinary proficiency and often connotes knowledge as well as technical skill Example: expert in the evaluation of wines.