突击检查 tū jī jiǎn chá

DEFINITIONS

  1. sudden unannounced investigation
  2. on-the-spot inspection
  3. to search without notification

CHARACTERS

突 tū
HSK 3
suddenly, abruptly, unexpectedly
击 jī
HSK 5
strike, hit, beat; attack, fight
检 jiǎn
HSK 3
check; examine
查 chá
HSK 3
investigate, examine, seek into