力求

lìqiú
  1. to make every effort to
  2. striving to do one's best

CEDICT

Entry Composition

1 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously
2 求 qiú
  1. to seek
  2. to look for
  3. to request
  4. to demand
  5. to beseech