n a harsh noise made by scraping
v cause friction
v cut the surface of; wear away the surface of
v scrape or rub as if to relieve itching
v postpone indefinitely or annul something that was scheduled
v remove by erasing or crossing out or as if by drawing a line
v gather (money or other resources) together over time
v carve, cut, or etch into a material or surface
v. 擦伤；划伤；刮痕（scratch的ing形式）