So it's a trial and error.

那么他反复尝试并得到错误答案。

youdao

You may have to find your perfect breakfast food through a trial and error process.

也许你得通过尝试才能找到最适合你的早餐食品。

youdao

Learning how to do customizations were sometimes painful, and often a trial and error process.

学习如何进行定制有时十分痛苦，并且通常定制的过程十分琐碎且容易出现错误。

youdao

And that can take a little bit of trial and error."

VOA: special.2010.08.04

So it's a trial and error.

那么他反复尝试并得到错误答案。

哈佛公开课 - 计算机科学课程节选

"It's a lot of trial and error. It's a process.

VOA: special.2009.05.18

Often, this is a trial and error process, which can be wasteful as compute resources are used each time a new combination of settings is tried.

ENGADGET: Amazon wants to make your hi-res videos mobile-friendly with Elastic Transcoder

After a year and a half of work and trial and error, they were ready to dive headfirst into the startup world.

FORBES: How A YCombinator Startup Is Born: The Story Of Strikingly

Prior efforts had been a mixture of trial and error and hard work mixed with a basic understanding of the mechanics of flight.

ENGADGET: The Highs and Lows of Human-Powered Flight Alt