行使

xíngshǐ
to exercise (a right etc)

CEDICT

Entry Composition

1 行 xíng
  1. (bound form) to walk; to go; to travel
  2. (literary) trip; journey; visit
  3. (bound form) temporary; makeshift
  4. (bound form) current; in circulation
  5. (bound form) to do; to perform
  6. capable; competent
  7. all right; OK!; will do
  8. behavior; conduct (Taiwan pr. xìng)
  9. (literary) about to; soon
2 使 shǐ
  1. to make
  2. to cause
  3. to enable
  4. to use
  5. to employ
  6. to send
  7. to instruct sb to do sth
  8. envoy
  9. messenger