跟学口语:"本性难移"怎么说

英语中有句话“Boys will be boys.”男孩子总归是男孩子，淘一些不足为奇。

You should not be surprised when boys or men behave in a noisy or rough way as this is part of typical male behaviour.

3岁看大，7岁看老，“Boys will be boys.”就是中文里的“本性难移”。