1 to make a slight cut or long, thin mark with a sharp object -- ~に引っかき傷をつける
The car was scratched.
2 to rub a hard surface with a sharp object, often making a noise -- (硬い表面を)引っかく
3 a slight cut or a long, thin mark made with a sharp object -- 引っかき傷, かすり傷
4 from the beginning -- 最初から, ゼロから