Definition: to rub a hard surface with a sharp object, often making a noise Level: B2
狗又在抓门了；它肯定想出去。
The dog is ___scratching at the door again; it must want to go out.
我听到从旧橱柜里传来一种奇怪的刮擦声。
I heard a strange ___scratching noise coming from inside the old cupboard.
我的猫喜欢在桌子的木腿上磨爪子。
My cat loves to ___scratch its claws on the wooden leg of the table.
