n. a lightweight flexible sandal with a sturdy sole; worn as play shoes by children and as sportswear by adults
vt. 拖着(脚)走路：；(因不安等)用脚擦(地)：vi. 拖着脚步：；磨损, 磨坏：n. 拖着脚行走；拖着脚行走发出的声音, 嚓嚓声