We learn by trial and error.

我们藉着尝试与错误学习。

She learned to cook by trial and error.

她不断摸索学会了做饭。

Sometimes the learning process is by trial and error.

有时，这样的学习过程是要通过反复试验的。

How did I do this by trial and error, you know?

你知道我是怎么通过试错来解决的吗？

As a result, when young faculties have to improve their pedagogy by trial and error, college students constitute guinea pigs.

所以，当年轻教师想要提高自己的教学水平时，学生就成了试验品。

Since the early 1970s the dominant theory of what is going on has been that animals learn by trial and error.

自20世纪70年代初以来，关于这种因果关系存在一种主要理论，认为动物的学习行为是通过“尝试与错误”实现的。

I mean, I think we’ve really learned by trial and error to an experience.

我的意思是， 我认为我们真的通过反复试验学到了经验。

We were all learning, by trial and error, to carry our wine.

通过反复试验，我们都在学习如何携带我们的酒。

Meerkats feed on scorpions--an exceptionally dangerous prey which you cannot learn to hunt by trial and error.

猫鼬以蝎子为食，这是一种极其危险的猎物，你无法通过反复试验学会如何捕猎。

The value of x can be determined by trial and error, but it's quicker to use algebraic reasoning.

x 的值可以通过反复试验来确定，但使用代数推理会更快。

And finally, if you solve a problem by trial and error, you try a number of different methods and learn from the mistakes you make.

最后，如果你通过trial and error解决问题，你会尝试多种不同的方法并从错误中吸取教训。

The task known as Proof-of-Work is so complex that it can only be solved by trial and error, which takes a huge amount of computer processing power.

被称为 " 工作量证明 " 的任务非常复杂，只能通过试错法来验证，这需要大量的计算机处理能力。

For those forerunners, there is no previous information at their hand, and therefore, it will take a long time to learn and improve by trial and error.

对于那些先驱者，他们并不拥有所需要的信息，所以，他们需要更长的时间来学习，并在实践过程中不断进步。

Do you read the instructions first, do you ask somebody who already knows how to use it for an explanation, or do you work it out by trial and error?

您是先阅读说明，还是请已经知道如何使用它的人进行解释， 还是通过反复试验来解决问题？

This would be too high in existing conditions, but the correct figure, which would have to be changed from time to time, could only be reached by trial and error.

这在现有条件下太高了， 但必须不时更改的正确数字只能通过反复试验才能达到。

At the moment, drug choice works by trial and error, with the initial SSRI being selected more or less at random and a replacement chosen a few weeks later if it does not do the business.

目前，药物选择是通过反复试验来进行的，最初的 SSRI 或多或少是随机选择的， 如果它不起作用， 则在几周后选择替代品。