英语词汇a leopard doesn’t change its spots的起源、历史背景-英语词源词典

a leopard doesn’t change its spots. Leopards are so named because they were once thought not to be a separate species but a cross between the lion (leo) and the pard, a Tibetan wildcat or panther. Like the creature’s name, the saying a leopard doesn’t change his spots also goes back to ancient times. It is an allusion to the pessimistic rhetorical question found in Jer. 13:23: “Can the Ethiopian change his skin or the leopard his spots? Then also you can do good who are accustomed to evil.” See giraffe.

词汇	a leopard doesn’t change its spots
词源	a leopard doesn’t change its spots. Leopards are so named because they were once thought not to be a separate species but a cross between the lion (leo) and the pard, a Tibetan wildcat or panther. Like the creature’s name, the saying a leopard doesn’t change his spots also goes back to ancient times. It is an allusion to the pessimistic rhetorical question found in Jer. 13:23: “Can the Ethiopian change his skin or the leopard his spots? Then also you can do good who are accustomed to evil.” See giraffe.
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