scraping knife

例句：

1. 1. This scraping knife is very sharp and easy to use.
   这把刮刀非常锋利，使用起来也很方便。
2. 2. He used a scraping knife to carefully remove the paint from the wall.
   他用一把刮刀小心翼翼地从墙上刮去油漆。
3. 3.The old lady used a scraping knife to clean the floor before dinner.
   那位老太太在晚饭前用一把刮刀清理了地板。