Boning knife is usually when you're trying to remove, separate the flesh from the bones of an animal.

剔骨刀通常用于去除动物的肉和骨头。

I doubt most people are breaking down big pieces of meat, but if you want to, I would go with a boning knife.

我怀疑大多数人都在分解大块的肉，但如果你愿意， 我会用一把剔骨刀。