The fisherman threw the harpoon with force, hoping to catch the big fish.

harpoon 是名词，指"鱼叉"，一种带有绳索的长矛状捕鱼工具，尖端通常带有倒钩，用于刺穿大型鱼类或海洋生物。这个词源自法语"harpon"，原意是"钩子"。