/ɪnˌvɛstɪˈɡeɪʃən/ – Noun
Definition: 1. việc điều tra, việc thẩm cứu;
2. việc nghiên cứu;
3. việc xem xét, việc xét xử (vụ án).
A more thorough explanation: Investigation is the process of searching for, collecting, and analyzing evidence to uncover facts and information related to a specific matter, typically conducted by law enforcement agencies, regulatory bodies, or other authorized entities for the purpose of determining the truth or resolving a particular issue.
Example: The police conducted a thorough investigation into the alleged fraud scheme.