叫板

jiàobǎn
  1. to signal the musicians (in Chinese opera, by prolonging a spoken word before attacking a song)
  2. (coll.) to challenge

CEDICT

colloquial

Entry Composition

=1 叫 jiào
  1. to shout
  2. to call
  3. to order
  4. to ask
  5. to be called
  6. by (indicates agent in the passive mood)
=1 叫 jiào variant of 叫 jiào
=2 板 bǎn
  1. board
  2. plank
  3. plate
  4. shutter
  5. table tennis bat
  6. clappers (music)
  7. accented beat in Chinese music
  8. hard
  9. stiff
  10. to stop smiling or look serious

classifier: 塊
=2 板 bǎn see 老闆, boss