ㄇㄧㄥˊmíngㄔㄚˊcháˋànㄈㄤˇfǎng

  1. 公開調查暗中了解·第一一回》:倒不如仍然外面明查暗訪。」明察暗訪」。

open enquiries and secret search (idiom)​; to investigate openly and in secret, taking information from all sides