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Jyutping dat6 gik1 gim2 caa4
Pinyin tū jī jiǎn chá

Definitions (CC-CEDICT)
  1. sudden unannounced investigation
  2. on-the-spot inspection
  3. to search without notification
Examples (粵典–words.hk)
  1. Cantonese
    突击检查
    突擊檢查
    dat6 gik1 gim2 caa4
    • surprise inspection; raid