以至於

以至于
yǐzhìyú
  1. down to
  2. up to
  3. to the extent that...

CEDICT

Entry Composition

1 以至 yǐzhì
  1. down to
  2. up to
  3. to such an extent as to ...
  4. also written 以至於 yǐzhìyú
2 於 yú
  1. (of time or place) in; at; on
  2. (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for
  3. (indicating a source) from; out of
  4. (used in comparison) than
  5. (used in the passive voice) by