chisel with fish tail end

例句：

1. 1. He chiseled a small hole in the wall for ventilation.
   他为通风在墙上凿了一个小洞。
2. 2.The artist used a chisel to carve the sculpture.
   艺术家用凿子雕刻了这件雕塑。
3. 3. The old man chiseled away at the rock with his pickaxe.
   老人用他的铁锤凿着岩石。