/prəˈfɛʃənl ˈkrɪmɪnl/ – Phrase
Definition: tội phạm chuyên nghiệp.
A more thorough explanation: A professional criminal is an individual who engages in criminal activities as a primary source of income or livelihood, often exhibiting a high degree of skill, organization, and commitment to criminal behavior.
Example: The defendant was known to be a professional criminal, with a long history of engaging in organized crime activities.