a leopard can't change its spots (豹子不能改变它的斑点)

Idiom Change

含义

someone cannot change their inherent nature or characteristics

一个人不能改变他们与生俱来的本性或特征 (yige ren buneng gaibian tamen yusheng julaide benxing huo tezheng)

例句

"No matter how hard he tries, a leopard can't change its spots."

"不管他怎么努力,一只豹子不能改变它的斑点。" (Buguan ta zenme nuli, yi zhi baozu buneng gaibian ta de bandian.)