1. 豹
A leopard is a type of large, wild cat. Leopards have yellow fur and black spots, and live in Africa and Asia.

2. 本性难移；陋习难改
If you say that a leopard cannot change its spots, you mean that people or things are not able to change their basic characteristics, especially when you are critical of those characteristics.

1. large feline of African and Asian forests usually having a tawny coat with black spots

Synonym: Panthera pardus

2. the pelt of a leopard