贞固

貞固
zhēngù

to stick to righteousness and virtue

Wiktionary

Entry Composition

1 贞 zhēn chaste
2 固 gù
  1. hard
  2. strong
  3. solid
  4. sure
  5. assuredly
  6. undoubtedly
  7. of course
  8. indeed
  9. admittedly