/ˈprɪnsəpəl ɪn ðə keɪs/ – Phrase
Definition: đương sự chính của vụ án.
A more thorough explanation: In legal terms, the word “principal” refers to a person who authorizes another individual to act on their behalf, typically in a legal or business context. The principal is responsible for the actions of the agent or representative they have authorized.
Example: The principal in the case, Mr. Smith, was found guilty of embezzlement.