大幅提高 dà fú tí gāo

DEFINITIONS

  1. significantly improve; to substantially increase or enhance the level of something, often referring to efficiency, performance, or capacity

CHARACTERS

大 dà big, great, vast, large, high
幅 fú piece, strip, breadth of, hem
提 tí hold in hand; lift in hand
高 gāo high, tall; lofty, elevated