致力

zhìlì
  1. to work for
  2. to devote one's efforts to

CEDICT

Entry Composition

=1 致 zhì (bound form) fine; delicate; exquisite
=1 致 zhì
  1. (literary) to send; to transmit; to convey
  2. (bound form) to cause; to lead to; consequently
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously