明察暗访
míng​chá'àn​fǎng

investigate

  • created sense approved 明察暗访/明察暗訪 · míng​chá'àn​fǎng · investigate

    明察暗访 / 明察暗訪

    míng​chá'àn​fǎng

    investigate

    to conduct a thorough investigation using both open inquiries and secret observations

    调查组通过明察暗访，掌握了大量的第一手资料。

    idiom

    created sense