But I did make you a shiv out of an old knife.

但我用一把旧小刀做成了一把尖刀。

You don't make a shiv out of a knife.

你不可能用一把小刀做成一把尖刀。

Yeah, you make a shiv out of a rusty spoon or a shard of glass.

是啊 你可以用锈汤匙或者玻璃碎片做成尖刀。

If we were in prison, I would give you such a shiv.

如果我们在监狱里 我会给你一刀的。