/ˈspeʃəlɪst/ – noun
Definition: chuyên gia, nhà chuyên môn.
A more throughout explanation: A specialist is a person who has advanced knowledge, expertise, or skill in a particular area or field, typically through education, training, or experience. In a legal context, a specialist may be recognized or certified as having specialized knowledge or skills in a specific area of law or profession.
Example: The defendant hired a specialist in forensic accounting to review the financial records for the case.