更改

gēnggǎi
to alter

CEDICT

Entry Composition

1 更 gēng
  1. to change or replace
  2. to experience
  3. one of the five two-hour periods into which the night was formerly divided
  4. watch (e.g. of a sentry or guard)
2 改 gǎi
  1. to change
  2. to alter
  3. to transform
  4. to correct