on the hoof
成語所屬單字hooves
on the hoof — 慣用語
1. While still alive and walking — used especially to describe meat that has not be
1.慣用語
釋義
活體（牲畜）；臨時、草率地
While still alive and walking — used especially to describe meat that has not been slaughtered yet; also used informally to mean done quickly without much planning.
例句
The farmer sold the cattle on the hoof rather than processing the meat himself.
Jack made a rough budget on the hoof while waiting for the bus to arrive.