巩固

鞏固
gǒnggù
  1. to consolidate; to strengthen
  2. firm; solid; stable

CEDICT

Entry Composition

1 巩 gǒng (bound form) to fix in place; to make firm and secure
2 固 gù
  1. hard
  2. strong
  3. solid
  4. sure
  5. assuredly
  6. undoubtedly
  7. of course
  8. indeed
  9. admittedly