着力

著力
zhuólì
  1. to put effort into sth
  2. to try really hard

CEDICT

Entry Composition

1 着 zhuó
  1. to wear (clothes)
  2. to contact
  3. to use
  4. to apply
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously