替代

tìdài
  1. to substitute for
  2. to replace
  3. to supersede

CEDICT

Entry Composition

1 替 tì
  1. to substitute for
  2. to take the place of
  3. to replace
  4. for
  5. on behalf of
  6. to stand in for
2 代 dài
  1. to be a substitute for; to act on behalf of; to replace; to substitute
  2. generation; dynasty; age; period; (historical) era; (geological) eon