true to nature

基本解释

The picture is true to nature.
这幅画非常逼真。
His story was true to nature.
他讲的故事是真实的。
dict.cn
He believed that art should be true to nature, a philosophy that shaped his attitudes toward models and materials.
罗丹坚信艺术应是忠实于自然，这种理念影响了他对模特与材料的态度。

What we either have to do is deny the claims I'm made about the nature of death, or else go on to ask-- supposing they are true-- ? how should we live in light of them?
我们要做的是,否认我对死亡的本质的说法，或者继续问-,假设它们是真的-,鉴于此，我们应该怎样生活？
耶鲁公开课 - 死亡课程节选
But we have not yet been able to find a claim,an interpretation, which is true,interesting,fairly special about death, as opposed to trivially true about everything, and giving us some relatively interesting insight into the nature of death.
但还是没有找到一种，真实，有趣并且是死亡独有的，相对于对所有事物的普遍事实来说，并且能给我们关于死亡本质有趣见地的诠释。
耶鲁公开课 - 死亡课程节选

After all, they have been working overtime to try to obscure the true nature of shariah and to prevent the enactment of legislation that would interfere with the considerable progress being made below the radar in states across the country: the insinuation of shariah into the American judiciary.
CENTERFORSECURITYPOLICY: American Laws for American Courts
The way for the NFL to prevent that from happening is to hide the true nature of the game and to purport that the league is serious about punishing the supposedly few individuals who dare step outside the line of the law.
FORBES: Roger Goodell Is Not Serious About Player Safety, And It's Because Of Money