It's a form of innate or unlearned optimism.

这是一种内在，无需学习的乐观主义精神。

The good news is that what is unlearned can be learned again.

好消息是，被荒废的可以重新学习。

And that was the moment we unlearned that other lesson we had just learned a few seconds earlier.

就在那时我们推翻了先前明白的道理。

I know habits can be learned and unlearned.

我知道习惯可以习得，也可以改掉。

Next up, Michalska says she'd like to examine whether negative associations can be unlearned.

米哈尔斯卡表示，接下来她想研究一下人们是否会在未经学习的情况下就懂得“消极联想”。

Unless Victor unlearned the theory he had, he would have unlooked-for and unnecessary trouble.

除非维克多抛掉他的谬论，否则他将有意想不到的不必要的麻烦。

I unlearned many things, but there are two myths about the poor that I would like to share that we live with.

我忘记了很多东西，但我想分享两个关于我们生活中的穷人的神话。

On the other hand, the pioneers of Kentucky, Ohio, and Tennessee, unlearned in books, saw with their own eyes the resources of the wilderness.

另一方面， 肯塔基州、俄亥俄州和田纳西州的拓荒者虽然没有书本知识，却亲眼看到了荒野的资源。

And that when you learn something, you also unlearn something, and the thing you unlearned is probably useful, and unlearning it actually is painful.

而且当你学到一些东西的时候， 你也会忘记一些东西，而你忘记的东西可能是有用的， 而忘记它实际上是痛苦的。

However, a famous expert in language pointed out that although children do learn some words by imitation and association, they also combine words to make meaningful sentences in unique and unlearned ways.

无论如何，一名著名的语言专家指出，尽管儿童通过模仿和联系学习一些词汇，但他们也以独特的不学而知的方式组合词汇去造一些有意义的句子。