刺激

cìjī
  1. to provoke; to irritate; to upset; to stimulate; to excite
  2. irritant

CEDICT

Entry Composition

1 刺 cì
  1. thorn
  2. sting
  3. thrust
  4. to prick
  5. to pierce
  6. to stab
  7. to assassinate
  8. to murder
2 激 jī
  1. to arouse
  2. to incite
  3. to excite
  4. to stimulate
  5. sharp
  6. fierce
  7. violent