快闪

快閃
kuàishǎn
  1. to depart as quick as a flash
  2. flash mob

CEDICT

Entry Composition

1 快 kuài
  1. rapid
  2. quick
  3. speed
  4. rate
  5. soon
  6. almost
  7. to make haste
  8. clever
  9. sharp (of knives or wits)
  10. forthright
  11. plainspoken
  12. gratified
  13. pleased
  14. pleasant
2 闪 shǎn
  1. to dodge
  2. to duck out of the way
  3. to beat it
  4. shaken (by a fall)
  5. to sprain
  6. to pull a muscle
  7. lightning
  8. spark
  9. a flash
  10. to flash (across one's mind)
  11. to leave behind
  12. (Internet slang) (of a display of affection) "dazzlingly" saccharine