完善

wánshàn
  1. (of systems, facilities etc) comprehensive
  2. well-developed
  3. excellent
  4. to refine
  5. to improve

CEDICT

Entry Composition

1 完 wán
  1. to finish
  2. to be over
  3. whole
  4. complete
  5. entire
2 善 shàn
  1. good (virtuous)
  2. benevolent
  3. well-disposed
  4. good at sth
  5. to improve or perfect