大幅

dàfú
  1. large-format (picture, banner, photo etc)
  2. substantially; by a wide margin

CEDICT

Entry Composition

1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
2 幅 fú
  1. width
  2. roll
  3. classifier for textiles or pictures