through trial and error

基本解释

Meditators will find their resonant frequency naturally through trial and error, so we know that there's something in that.
冥想者会通过考验和错误而自然地找到他们的共振频率，我们知道其中有些原因。
We perform many minor miracles through trial and error, excessive use of brute force, and lots and lots of testing, but--so often--it's not enough.
我们总是通过试错，过度的使用暴力（译者注：可能是指破坏程序结构的代码），大量的测试去完成一项工作；尽管很漂亮，但是常常是不够的。
About 60% said they were learning their jobs through trial and error, and 42% said they had no clear idea of what was expected of them, or what success in their new position would look like.
约60%的人表示，他们是通过试错的方式来了解自己的工作的，另有42%的人表示，不清楚自己所肩负的期望，也不了解怎样才算是自己在新岗位上获得成功。

"The common approach of change through trial and error is actually riskier than parallel attacks, " he argues.
FORBES: The Art of War
And although some products' quality can be verified through trial and error, this is not always practical.
ECONOMIST: The money in the message
Games require players to construct hypotheses, solve problems, develop strategies, learn the rules of the in-game world through trial and error.
ECONOMIST: Defending video games