on the hoof
词源说明
The literal sense concerning livestock has no more to it as a sum of parts than the corresponding sense of on foot does. A reference to humans being on the hoof occurs in a text from England in 1691.
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The literal sense concerning livestock has no more to it as a sum of parts than the corresponding sense of on foot does. A reference to humans being on the hoof occurs in a text from England in 1691.