/ˈlɔːfəl ɪnˌvɛstɪˈɡeɪʃən/ – Phrase
Definition: việc điều tra có căn cứ hợp pháp.
A more thorough explanation: A lawful investigation refers to a formal inquiry or examination conducted by authorized individuals or entities in accordance with applicable laws and regulations. It involves gathering evidence, interviewing witnesses, and taking other necessary steps to uncover facts related to a specific matter within the boundaries of the law.
Example: The police conducted a lawful investigation into the alleged theft.