An expert, more generally, is a person with extensive knowledge or ability based on research, experience, or occupation and in a particular area of study.
An expert is someone who knows a ton about the subject at hand. The adjective form of expert describes someone or something that has that special knowledge.
5 天前 — proficient, adept, skilled, skillful, expert mean having great knowledge and experience in a trade or profession. proficient implies a thorough ...
expert in American English · 1. a person who has special skill or knowledge in some particular field; specialist; authority. a language expert · 2. Military. a.
a person with special knowledge, skill, or training in something a computer/medical expert expert (at/in/on something) an expert in child psychology an ...