/ˈtʃif kənˈspɪrətər/ – Phrase
Definition: kẻ chủ mưu.
A more thorough explanation: The legal English definition of the term “chief conspirator” refers to a person who plays a leading or primary role in a conspiracy, which is an agreement between two or more individuals to commit an unlawful act. The chief conspirator is typically seen as the main instigator or organizer of the conspiracy and may be held particularly responsible for its planning and execution.
Example: The prosecutor argued that the defendant was the chief conspirator in the elaborate fraud scheme.