飞检

飛檢
fēijiǎn
unannounced inspection (abbr. for 飞行检查 fēixíngjiǎnchá)

CEDICT

Entry Composition

1 飞 fēi to fly
2 检 jiǎn
  1. to check
  2. to examine
  3. to inspect
  4. to exercise restraint