on the hoof 活着, 未屠宰
Hoof \Hoof\, v. i.
1. To walk as cattle. [R.] --William Scott.
2. To be on a tramp; to foot. [Slang, U.S.]
{To hoof it}, to foot it.
{On the hoof}, of cattle, standing (on the hoof); not
slaughtered.
{beef on the hoof}, live cattle.
[Webster 1913 Suppl.]