a large animal of the cat family, usually with yellow-brown fur with black spots. Leopards live in Africa and southern Asia. 豹 
Oxford Collocations DictionaryLeopard is used before these nouns:- skin
Word OriginMiddle English: via Old French from late Latin leopardus, from late Greek leopardos, from leōn ‘lion’ + pardos.
Idioms
a leopard cannot change its spots
- (saying)
people cannot change their character, especially if they have a bad character 本性难改；禀性难移 You didn’t really expect her to be on time, did you? A leopard can’t change its spots. 您真的没想到她会准时，对吗？豹子不能改变它的位置。