鱼线突然猛烈抽动，我知道有鱼上钩了。

The fishing line started ___jerking violently, so I knew a fish was biting.

他猛地一拽鱼竿，想把鱼拉上来。

He started ___jerking the fishing rod to pull the fish out.

他正在用盐和香料腌制牛肉，准备制作牛肉干。

He's ___jerking the beef with salt and spices to make beef jerky.