Luckily, the circadian rhythm isn't set in stone.

幸运的是，昼夜节律不是一成不变的。

The plan is not set in stone.

计划不是一成不变的。

But our values aren't set in stone.

但我们的价值观并不是一成不变的。

Your major isn't necessarily set in stone.

你的专业不一定是固定不变的。

And luckily, allergies aren't always set in stone.

幸好，过敏不是一成不变的。

These, uh, these nicknames-- are they set in stone?

这些个...绰号 都不能改吗？

So consciousness may not actually be set in stone.

所以意识可能并不是一成不变的。

“Pumpkin spice isn't set in stone, ” Shelke says.

“南瓜香料不是一成不变的，”谢尔克说。

Imperial China chose to set in stone the Confucian classics.

中国人则在石头上镌刻了一套儒家经典。

There must be another way. The future isn't set in stone.

肯定有别的办法的。未来并不是已经板上钉钉的。

To describe these inflexible things, we can say they are set in stone.

要描述这些不可改变的事物，我们可以说它们是一成不变的。

Things that are set in stone are very difficult or impossible to change.

一成不变的事物很难或不可能改变。

Now the beauty of writing is that it's not set in stone.

写作的美妙之处就在于它不是板上钉钉的。

Okay, before I get into it, these categories, they're not set in stone.

好的，在我开始讲之前，这些类别，它们不是一成不变的。

The dates of some events are also set in stone.

一些事件的日期也是一成不变的。

We can say that permanent rules, laws, and policies are set in stone.

我们可以说永久性的规则、法律和政策是无法更改的。

And so it doesn't mean that we're set in stone, we can't change.

所以这并不意味着我们一成不变，我们无法改变。

But the relationship between popcorn and the movies was really set in stone during World War II.

在二战期间，爆米花和电影之间的关系一度如同板上钉钉般坚定。

U.S. ambassador to the U.N., Nikki Haley, was asked by FOX News if U.S. attendance was set in stone.

美国驻联合国大使 尼基·海利，在接受福克斯新闻采访时被问到美国是否决定参加本届冬奥会。

If you pencil something in, you are admitting that it is not set in stone.

如果你暂定某事，你就是在承认它不是一成不变的。