investigation

noun/ɪnˌvɛs.tɪˈɡeɪ.ʃən//ɪnˌvɛs.tɪˈɡeɪ.ʃən/
  1. 1.

    cuộc điều tra, sự điều tra

    The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination

    • The investigation into the crime has led to various leads as well as plenty of dead ends.
    • Despite thorough investigation, the perpetrator of the attacks remains unknown.
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