秘密活动
mì​mì​huó​dòng

clandestine activity

  • created sense approved 秘密活动/秘密活動 · mì​mì​huó​dòng · clandestine activity

    秘密活动 / 秘密活動

    mì​mì​huó​dòng

    clandestine activity

    secretive or illicit operations or actions, often associated with espionage or underground movements

    警方一直在严密监视这些人的秘密活动。

    created sense