Dictionary/明察暗访

明察暗访 明察暗訪

míng chá àn fǎng

ㄇㄧㄥˊ ㄔㄚˊ ㄢˋ ㄈㄤˇ
Idiom
1taking information from all sides
2open enquiries and secret search (idiom); to investigate openly and in secret

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