dà​fú

substantially

大幅 dà​fú
substantially adverb
significantly or by a wide margin, especially regarding quantitative changes

Vegetable prices have dropped significantly recently.

large-format adjective
large-format (referring to pictures, banners, photos, etc.)

A large wedding photo hangs on the wall.

Frequency

Movie subtitles
1.34 per million appears in 1% of films

Sources

Definitions
CC-CEDICT
Frequency data
SUBTLEX-CH