得力

délì
  1. able
  2. capable
  3. competent
  4. efficient

CEDICT

Entry Composition

=1 得 dé
  1. to obtain
  2. to get
  3. to gain
  4. to catch (a disease)
  5. proper
  6. suitable
  7. proud
  8. contented
  9. to allow
  10. to permit
  11. ready
  12. finished
=1 得 de structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously