إختصاصي,خبير, خبير
expert
(noun)إختصاصي,خبير.An expert is a person with much skill or knowledge in a specific areaIf a regular doctor cannot find what is wrong with you, you should see an expert.expertise
(noun)خبرة,مهارةexpertly
(adverb)بشكل محترف,بمهارةexperts
(noun)إختصاصيونexpert
(adjective)خبير