丛林法则英文是the law of the jungle。
词典：
the law of the jungle
例句：
He says?the law of the jungle?cannot be tolerated In France.
他说，法国绝对不允许丛林法则。
the law of the jungle，字面意思是丛林法则（森林法则）。丛林法则是自然界里生物学方面的物竞天择、优胜劣汰、弱肉强食的规律法则。
英语解释：
the principle that those who are strong and apply ruthless self-interest will be most successful.
那些实力强大、奉行无情利己主义的人将是最成功的。
he idea that people who care only about themselves will be most likely to succeed in a society or organization
在一个社会或组织中，只关心自己的人最有可能取得成功