You can change mountains and rivers but not a person's nature.
江山易改，本性难移。
The wolf changes his coat, but not his disposition.
豺狼换张皮，本性却难移。江山易改，本性难移。
The fox changes his skin but not his habits.-Suetonius
江山易改，本性难移。--史维都尼亚斯
What is bred in the bone will not(or:never)out of the flesh.
生来的习惯不易改掉。/江山易改，本性难移。
"Sloppy! Why can't you do things right? The old saying is certainly true-'It's easier to move a mountain than change a man's character!"
“你总是这样不爱收拾，屡次说你，你总不听。 真是江山易改，本性难移
A dictator is unlikely to become a good leader in a democracy. A leopard cannot change its spots.
独裁者不太可能成为民主制度下优秀的领道人。江山易改，本性难移。
Did you believe him when he said he had given up smoking? A leopard cannot change its spots.
例句：他说戒烟你真的相信吗？江山易改，本性难移啊。
You mean you are going to trust him again after what he did to you? A leopard cannot change his spots, you know.
你的意思是尽管他这样对待你，你还是信任他？你要知道：江山易改，本性难移。
What is Bred in the Bone will never come out of the fresh.
"江山易改, 本性难移"
A leopard cannot change its spots
江山易改,本性难移
the fox changes his skin But not his habits --Suetonius
江山易改,本性难移--史维都尼亚斯
It was the Sage himself who taught that it is easier to move mountains than to change the hearts of men.
圣人说得好，江山易改，秉性难移。
The leopard can never change its spot.
江山易改，秉性难易。
The leopard cannot change his spots.
豹子无法改变其斑点(本性难移)。
You can't change your own nature. --Aesop
本性难移。——伊索
The leopard can never change its spots.
花豹永不能改变身上的斑点（指：本性难移）。
"A fox may grow grey, But never good"
狐狸会变,但本性难移
The wolf lose his tooth , but not his Instinct .
狼牙虽失，本性难移。