主动

主動
zhǔdòng
  1. to take the initiative
  2. to do sth of one's own accord
  3. spontaneous
  4. active
  5. opposite: passive 被动 bèidòng
  6. drive (of gears and shafts etc)

CEDICT

Entry Composition

1 主 zhǔ
  1. owner
  2. master
  3. host
  4. individual or party concerned
  5. God
  6. Lord
  7. main
  8. to indicate or signify
  9. trump card (in card games)
2 动 dòng
  1. (of sth) to move
  2. to set in movement
  3. to displace
  4. to touch
  5. to make use of
  6. to stir (emotions)
  7. to alter
  8. abbr. for 动词 dòngcí, verb